Annotation of loncom/homework/rankresponse.pm, revision 1.3

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.3     ! sakharuk    4: # $Id: rankresponse.pm,v 1.2 2003/01/28 00:14:55 albertel Exp $
1.1       albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: # 2/21 Guy
                     29: 
                     30: package Apache::rankresponse;
                     31: use strict;
                     32: use HTML::Entities();
                     33: 
                     34: BEGIN {
                     35:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
                     36: }
                     37: 
                     38: sub start_rankresponse {
                     39:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     40:     my $result;
                     41:     #when in a rank response use these
                     42:     &Apache::lonxml::register('Apache::rankresponse',
                     43: 			      ('foilgroup','foil','conceptgroup'));
                     44:     push (@Apache::lonxml::namespace,'rankresponse');
                     45:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     46:     %Apache::hint::rank=();
                     47:     if ($target eq 'meta') {
                     48: 	$result=&Apache::response::meta_package_write('rankresponse');
                     49:     } elsif ($target eq 'edit' ) {
                     50: 	$result.=&Apache::edit::start_table($token).
                     51: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
                     52: 	    &Apache::edit::deletelist($target,$token)
                     53: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
                     54: 	    .&Apache::edit::start_spanning_row();
                     55: 	
                     56: 	$result.=
                     57: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     58: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     59: 				      ['yes','no'],$token).
                     60: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     61:     } elsif ($target eq 'modified') {
                     62: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     63: 						     $safeeval,'max',
                     64: 						     'randomize');
                     65: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                     66:     }
                     67:     return $result;
                     68: }
                     69: 
                     70: sub end_rankresponse {
                     71:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     72:     my $result;
                     73:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     74:     &Apache::response::end_response;
                     75:     pop @Apache::lonxml::namespace;
                     76:     &Apache::lonxml::deregister('Apache::rankresponse',
                     77: 				('foilgroup','foil','conceptgroup'));
                     78:     return $result;
                     79: }
                     80: 
                     81: %Apache::response::foilgroup=();
                     82: sub start_foilgroup {
                     83:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     84:     my $result;
                     85:     %Apache::response::foilgroup=();
                     86:     $Apache::rankresponse::conceptgroup=0;
                     87:     &Apache::response::setrandomnumber();
                     88:     return $result;
                     89: }
                     90: 
                     91: sub end_foilgroup {
                     92:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     93:     my $result;
1.3     ! sakharuk   94:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel   95: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                     96: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                     97: 						   $safeeval,'-2');
                     98: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
                     99: 	if (!defined($tol)) { $tol=0; }
1.3     ! sakharuk  100: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  101: 	    $result=&displayfoils($target,$max,$randomize,$tol);
                    102: 	} elsif ($target eq 'answer' ) {
                    103: 	    $result=&displayanswers($max,$randomize,$tol);
                    104: 	} elsif ( $target eq 'grade') {
                    105: 	    &grade_response($max,$randomize,$tol);
                    106: 	}
                    107:     }
                    108:     return $result;
                    109: }
                    110: 
                    111: sub get_correct_order {
                    112:     my ($tol,@foils) =@_;
                    113:     my @correctorder;
                    114:     my @value_names;
                    115:     foreach my $name (@foils) {
                    116: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    117: 	push(@value_names,\@pair);
                    118:     }
                    119:     @value_names =
                    120: 	sort {
                    121: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] cmp $b->[0]);}
                    122: 	    return 0;
                    123: 	} @value_names;
                    124:     my @value_names_tmp=@value_names;
                    125:     my $firstpair=shift(@value_names_tmp);
                    126:     my $order=1;
                    127:     my %order;
                    128:     my $count=1;
                    129:     my $lastvalue=$firstpair->[0];
                    130:     $order{$firstpair->[1]}=$order;
                    131:     foreach my $pair (@value_names_tmp) {
                    132: 	$count++;
                    133: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    134: 	    $order=$count;
                    135: 	}
                    136: 	$order{$pair->[1]}=$order;
                    137: 	$lastvalue=$pair->[0];
                    138:     }
                    139:     foreach my $name (@foils) {
                    140: 	push(@correctorder,$order{$name});
                    141:     }
                    142:     &Apache::lonhomework::showhash('b' => \@value_names);
                    143:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    144:     return @correctorder;
                    145: }
                    146: 
                    147: sub displayanswers {
                    148:     my ($max,$randomize,$tol,@opt)=@_;
                    149:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    150:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    151:     my @whichfoils = &whichfoils($max,$randomize);
                    152:     my $result=&Apache::response::answer_header('rankresponse');
                    153:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    154:     foreach my $order (@correctorder) {
                    155: 	$result.=&Apache::response::answer_part('rankresponse',$order);
                    156:     }
                    157:     $result.=&Apache::response::answer_footer('rankresponse');
                    158:     return $result;
                    159: }
                    160: 
                    161: sub check_response_order {
                    162:     my (%responsehash)=@_;
                    163:     my @order=sort(values(%responsehash));
                    164:     my $lastvalue=0;
                    165:     my $expected=1;
                    166:     my $malformed=0;
                    167:     foreach my $current (@order) {
                    168: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    169: 	if (!($current == $lastvalue || $current == $expected)) {
                    170: 	    $malformed=1;
                    171: 	}
                    172: 	$expected++;
                    173: 	$lastvalue=$current;
                    174:     }
                    175:     return $malformed;
                    176: }
                    177: 
                    178: sub grade_response {
                    179:     my ($max,$randomize,$tol)=@_;
                    180:     my (@whichfoils)=&whichfoils($max,$randomize);
                    181:     if (!defined($ENV{'form.submitted'})) { return; }
                    182:     my %responsehash;
                    183:     my %grade;
                    184:     my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
                    185:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    186:     foreach my $name (@whichfoils) {
                    187: 	my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
                    188: 	$responsehash{$name}=$response;
                    189: 	my $value=shift(@correctorder);
                    190: 	if ( $response =~ /[^\s]/) {
                    191: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    192: 	    if ($value eq $response) {
                    193: 		$grade{$name}='1'; $right++;
                    194: 	    } else {
                    195: 		$grade{$name}='0'; $wrong++;
                    196: 	    }
                    197: 	} else {
                    198: 	    $ignored++;
                    199: 	}
                    200: 	$temp++;
                    201:     }
                    202:     my $malformed=&check_response_order(%responsehash);
                    203:     my $part=$Apache::inputtags::part;
                    204:     my $id = $Apache::inputtags::response['-1'];
                    205:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    206:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    207:     my %previous=&Apache::response::check_for_previous($responsestr,
                    208: 						       $part,$id);
                    209:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    210:     my $ad;
                    211:     if ($malformed) {
                    212: 	$ad='MISORDERED_RANK';
                    213:     } elsif ($wrong==0 && $ignored==0) {
                    214: 	$ad='EXACT_ANS';
                    215:     } elsif ($wrong==0 && $right==0) {
                    216: 	#nothing submitted
                    217:     } else {
                    218: 	if ($ignored==0) {
                    219: 	    $ad='INCORRECT';
                    220: 	} else {
                    221: 	    $ad='MISSING_ANSWER';
                    222: 	}
                    223:     }
                    224:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    225: 	$responsestr;
                    226:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    227:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    228:     &Apache::response::handle_previous(\%previous,$ad);
                    229: }
                    230: 
                    231: sub displayfoils {
                    232:     my ($target,$max,$randomize,$tol)=@_;
                    233:     my $result;
                    234:     my (@whichfoils)=&whichfoils($max,$randomize);
                    235:     my $part=$Apache::inputtags::part;
                    236:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    237:     my $status=$Apache::inputtags::status[-1];
                    238:     my @whichopt=(1..($#whichfoils+1));
                    239:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    240:     if (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) {
                    241: 	foreach my $name (@whichfoils) {
                    242: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    243: 	    my $value=shift(@correctorder);
                    244: 	    $result.='<br />'.$value.':'.$text;
                    245: 	}
                    246:     } else {
                    247: 	my $i = 0;
                    248: 	my $temp=0;
                    249: 	my $id=$Apache::inputtags::response[-1];
                    250: 	my $part=$Apache::inputtags::part;
                    251: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
                    252: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
1.3     ! sakharuk  253: 	my $localcount = 1;
1.1       albertel  254: 	foreach my $name (@whichfoils) {
                    255: 	    my $lastopt=$lastresponse{$name};
1.3     ! sakharuk  256: 	    my $optionlist='';
        !           257: 	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
1.1       albertel  258: 	    my $option;
                    259: 	    foreach $option (@whichopt) {
                    260: 		if ($option eq $lastopt) {
1.3     ! sakharuk  261: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1       albertel  262: 		} else {
1.3     ! sakharuk  263: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1       albertel  264: 		}
                    265: 	    }
1.3     ! sakharuk  266: 	    if ($target ne 'tex') {
        !           267: 		$optionlist='<select name="HWVAL_'.
        !           268: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
        !           269: 		        $optionlist."</select>\n";
        !           270: 	    } else {
        !           271: 		$optionlist=' '.$temp.' '.$optionlist.' ';
        !           272: 	    }
1.1       albertel  273: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3     ! sakharuk  274: 	    if ($target ne 'tex') {
        !           275: 		$result.='<br />'.$optionlist.$text."\n";
        !           276: 	    } else {$result.=' \\\\ '.$localcount.'. '.$text."\n"; $localcount++;}
1.1       albertel  277: 	    $temp++;
                    278: 	}
                    279:     }
1.3     ! sakharuk  280:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \\\\ ';}
1.1       albertel  281:     return $result;
                    282: }
                    283: 
                    284: sub getfoilcounts {
                    285:     my ($max)=@_;
                    286:     # +1 since instructors will count from 1
                    287:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    288:     if (&Apache::response::showallfoils()) { $max=$count; }
                    289:     if ($count>$max) { $count=$max } 
                    290:     &Apache::lonxml::debug("Count is $count from $max");
                    291:     return $count;
                    292: }
                    293: 
                    294: sub whichfoils {
                    295:     my ($max,$randomize)=@_;
                    296:     $max = &getfoilcounts($max);
                    297:  #   &Apache::lonxml::debug("man $max randomize $randomize");
                    298:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    299:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    300:     my @whichopt =();
                    301:     my (%top,@toplist,%bottom,@bottomlist);
                    302:     if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
                    303: 	my $current=0;
                    304: 	foreach my $name (@names) {
                    305: 	    $current++;
                    306: 	    if ($Apache::response::foilgroup{"$name.location"} eq 'top') {
                    307: 		$top{$name}=$current;
                    308: 	    } elsif ($Apache::response::foilgroup{"$name.location"} eq
                    309: 		     'bottom') {
                    310: 		$bottom{$name}=$current;
                    311: 	    }
                    312: 	}
                    313:     }
                    314:     while ((($#whichopt+1) < $max) && ($#names > -1)) {
                    315: #	&Apache::lonxml::debug("Have $#whichopt max is $max");
                    316: 	my $aopt;
                    317: 	if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
                    318: 	    $aopt=0;
                    319: 	} else {
                    320: 	    $aopt=int(&Math::Random::random_uniform() * ($#names+1));
                    321: 	}
                    322: #	&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
                    323: 	$aopt=splice(@names,$aopt,1);
                    324: #	&Apache::lonxml::debug("Picked $aopt");
                    325: 	if ($top{$aopt}) {
                    326: 	    $toplist[$top{$aopt}]=$aopt;
                    327: 	} elsif ($bottom{$aopt}) {
                    328: 	    $bottomlist[$bottom{$aopt}]=$aopt;
                    329: 	} else {
                    330: 	    push (@whichopt,$aopt);
                    331: 	}
                    332:     }
                    333: #    &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
                    334:     for (my $i=0;$i<=$#toplist;$i++) {
                    335: 	if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
                    336:     }
                    337:     for (my $i=0;$i<=$#bottomlist;$i++) {
                    338: 	if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
                    339:     }
                    340:     &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
                    341:     return @whichopt;
                    342: }
                    343: 
                    344: sub start_conceptgroup {
                    345:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    346:     $Apache::rankresponse::conceptgroup=1;
                    347:     %Apache::response::conceptgroup=();
                    348:     my $result;
                    349:     if ($target eq 'edit') {
                    350: 	$result.=&Apache::edit::tag_start($target,$token,
                    351: 					  "Concept Grouped Foils");
                    352: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    353: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    354:     }
                    355:     if ($target eq 'modified') {
                    356: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    357: 						     $safeeval,'concept');
                    358: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    359:     }
                    360:     return $result;
                    361: }
                    362: 
                    363: sub end_conceptgroup {
                    364:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    365:     $Apache::rankresponse::conceptgroup=0;
                    366:     my $result='';
                    367:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
                    368: 	#if not there aren't any foils to display and thus no question
                    369: 	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    370: 	    my @names = @{ $Apache::response::conceptgroup{'names'} };
                    371: 	    my $pick=int(&Math::Random::random_uniform() * ($#names+1));
                    372: 	    my $name=$names[$pick];
                    373: 	    push @{ $Apache::response::foilgroup{'names'} }, $name;
                    374: 	    $Apache::response::foilgroup{"$name.value"} =
                    375: 		$Apache::response::conceptgroup{"$name.value"};
                    376: 	    $Apache::response::foilgroup{"$name.text"} =
                    377: 		$Apache::response::conceptgroup{"$name.text"};
                    378: 	    $Apache::response::foilgroup{"$name.location"} =
                    379: 		$Apache::response::conceptgroup{"$name.location"};
                    380: 	    my $concept = &Apache::lonxml::get_param('concept',$parstack,
                    381: 						     $safeeval);
                    382: 	    $Apache::response::foilgroup{"$name.concept"} = $concept;
                    383: 	    &Apache::lonxml::debug("Selecting $name in $concept");
                    384: 	    if ($target eq 'web') {
                    385: 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    386: 		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
                    387: 		     $concept);
                    388: 		$Apache::hint::rank{"$part_id.concept.$concept"}=
                    389: 		    $Apache::response::conceptgroup{'names'};
                    390: 	    }
                    391: 	}
                    392:     } elsif ($target eq 'edit') {
                    393: 	$result=&Apache::edit::end_table();
                    394:     }
                    395:     return $result;
                    396: }
                    397: 
                    398: sub insert_conceptgroup {
                    399:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    400:     return $result;
                    401: }
                    402: 
                    403: sub start_foil {
                    404:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    405:     my $result='';
1.3     ! sakharuk  406:     if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  407: 	&Apache::lonxml::startredirection;
                    408:     } elsif ($target eq 'edit') {
                    409: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    410: 	my $level='-2';
                    411: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    412: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    413: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    414: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    415: 						 $safeeval,'-3');
                    416: 	if ($randomize ne 'no') {
                    417: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    418: 					     ['random','top','bottom'],$token);
                    419: 	}
                    420: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    421:     } elsif ($target eq 'modified') {
                    422: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    423: 						     $safeeval,'value',
                    424: 						     'name','location');
                    425: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    426:     }
                    427:     return $result;
                    428: }
                    429: 
                    430: sub end_foil {
                    431:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    432:     my $text ='';
                    433:     my $result = '';
1.3     ! sakharuk  434:     if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  435: 	$text=&Apache::lonxml::endredirection;
                    436:     }
1.3     ! sakharuk  437:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  438: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    439: 	if ($value ne 'unused') {
                    440: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    441: 	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
                    442: 	    &Apache::lonxml::debug("Got a name of :$name:");
                    443: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
                    444: 	    &Apache::lonxml::debug("Using a name of :$name:");
                    445: 	    if ( $Apache::rankresponse::conceptgroup
                    446: 		 && !&Apache::response::showallfoils() ) {
                    447: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    448: 		$Apache::response::conceptgroup{"$name.value"} = $value;
                    449: 		$Apache::response::conceptgroup{"$name.text"} = $text;
                    450: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    451: 	    } else {
                    452: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    453: 		$Apache::response::foilgroup{"$name.value"} = $value;
                    454: 		$Apache::response::foilgroup{"$name.text"} = $text;
                    455: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    456: 	    }
                    457: 	}
                    458:     }
                    459:     if ($target eq 'edit') {
                    460: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    461:     }
                    462:     return $result;
                    463: }
                    464: 
                    465: sub insert_foil {
                    466:     return '
                    467: <foil name="" value="unused">
                    468: <startouttext />
                    469: <endouttext />
                    470: </foil>';
                    471: }
                    472: 1;
                    473: __END__

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