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王立帮
243
boards/default_src/python/converters/lists.js
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243
boards/default_src/python/converters/lists.js
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'use strict';
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pbc.assignD.get('List')['check_assign'] = function (py2block, node, targets, value) {
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if (value._astname === "List")
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return true;
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return false;
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}
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pbc.assignD.get('List')['create_block'] = function (py2block, node, targets, value) {
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return block("lists_create_with", node.lineno, {
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'VAR': py2block.Name_str(targets[0])
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},
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py2block.convertElements("ADD", value.elts), {
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"inline": elts.length < 4 ? "false" : "true",
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}, {
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"@items": value.elts.length
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});
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}
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//mylist[0]在python_to_blockly.js中实现
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//mylist[0:2]在python_to_blockly.js中实现
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function listTrig(mode){
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function converter(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 1) {
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throw new Error("Incorrect number of arguments");
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}
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var argblock = py2block.convert(args[0]);
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return block("list_trig", func.lineno, {
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'OP':mode
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}, {
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"data": argblock,
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}, {
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"inline": "true"
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});
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};
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return converter;
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}
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pbc.globalFunctionD['sum'] = listTrig('SUM');
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pbc.globalFunctionD['math_mean'] = listTrig('AVERAGE');
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pbc.globalFunctionD['math_median'] = listTrig('MEDIAN');
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pbc.globalFunctionD['math_modes'] = listTrig('MODE');
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pbc.globalFunctionD['math_standard_deviation'] = listTrig('STD_DEV');
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//mylist[0] = 0在python_to_blockly.js中实现
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pbc.objectFunctionD.get('insert')['List'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 2) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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var atblock = py2block.convert(args[0]);
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var valblock = py2block.convert(args[1]);
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return [block("lists_insert_value", func.lineno, {}, {
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"LIST": objblock,
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"AT": atblock,
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"VALUE": valblock,
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}, {
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"inline": "true"
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})];
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};
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function listAppendExtend(mode){
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function converter(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 1) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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var argblock = py2block.convert(args[0]);
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return [block("lists_append_extend", func.lineno, {
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"OP":mode
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}, {
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"LIST": objblock,
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"DATA": argblock
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}, {
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"inline": "true"
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})];
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};
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return converter;
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}
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pbc.objectFunctionD.get('append')['List'] = listAppendExtend('append');
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pbc.objectFunctionD.get('extend')['List'] = listAppendExtend('extend');
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//del mylist[0]在python_to_blockly.js中实现
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pbc.objectFunctionD.get('remove')['List'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 1) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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var argblock = py2block.convert(args[0]);
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return [block("lists_remove_at", func.lineno, {
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"OP":"remove"
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}, {
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"LIST": objblock,
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"DATA": argblock
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}, {
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"inline": "true"
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})];
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};
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//mylist.pop(0)在set.js中实现
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//random.choice(mylist)在text.js中实现
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function listFindCount(mode){
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function converter(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 1) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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var argblock = py2block.convert(args[0]);
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return block("lists_find", func.lineno, {
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'OP':mode
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}, {
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"VAR": objblock,
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"data": argblock
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}, {
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"inline": "true"
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});
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};
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return converter;
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}
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pbc.objectFunctionD.get('index')['List'] = listFindCount('INDEX');
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pbc.objectFunctionD.get('count')['List'] = listFindCount('COUNT');
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pbc.globalFunctionD['lists_sort'] = function (py2block, func, args, keywords, starargs, kwargs, node) {
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if (args.length !== 3 && args[1]._astname === "Str"
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&& args[2]._astname === "Name") {
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throw new Error("Incorrect number of arguments");
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}
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var argblock = py2block.convert(args[0]);
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var type = py2block.Str_value(args[1]);
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var reverse = py2block.Name_str(args[2]);
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if(reverse == "True"){
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reverse = '-1';
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}else if(reverse == "False"){
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reverse = '1';
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}else{
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throw new Error("not implement");
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}
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return block("lists_sort", func.lineno, {
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'TYPE': type,
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'DIRECTION':reverse
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}, {
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'LIST': argblock
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}, {
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"inline": "true"
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});
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}
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pbc.objectFunctionD.get('reverse')['List'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 0) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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return [block("lists_reverse", func.lineno, {}, {
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"VAR": objblock,
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}, {
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"inline": "true"
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})];
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};
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pbc.objectFunctionD.get('clear')['List'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length !== 0) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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return [block("lists_clear", func.lineno, {}, {
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"VAR": objblock,
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}, {
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"inline": "true"
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})];
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};
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pbc.globalFunctionD['list'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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if (args.length > 1) {
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throw new Error("Incorrect number of arguments");
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}
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if (args.length ==0){
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return block("lists_create_with_noreturn", node.lineno, {},{}
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, {
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"inline": "true",
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}, {
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"@items": 0
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});
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}
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if (args.length ==1){
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var numblock = py2block.convert(args[0]);
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return block("list_tolist", func.lineno, {}, {
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'VAR': numblock,
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}, {
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"inline": "false"
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})
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}
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}
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pbc.globalFunctionD['zip'] = function(py2block, func, args, keywords, starargs, kwargs, node){
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var d = py2block.convertElements("ADD", args);
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return block("lists_zip", node.lineno, {
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}, d, {
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"inline": "true",
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}, {
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"@items":args.length
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});
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}
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pbc.moduleFunctionD.get('random')['sample'] = function (py2block, func, args, keywords, starargs, kwargs, node) {
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if (args.length !== 2) {
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throw new Error("Incorrect number of arguments");
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}
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var listname = py2block.convert(args[0]);
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var varblock = py2block.convert(args[1]);
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return block("lists_get_random_sublist", func.lineno, {}, {
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'LIST':listname,
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'VAR': varblock
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}, {
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"inline": "true"
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});
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}
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pbc.objectFunctionD.get('tolist')['List'] = function (py2block, func, args, keywords, starargs, kwargs, node) {
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if (args.length !== 0) {
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throw new Error("Incorrect number of arguments");
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}
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var objblock = py2block.convert(func.value);
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return block("list_tolist2", func.lineno, {}, {
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"VAR": objblock
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}, {
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"inline": "true"
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});
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}
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