1.3 2.dic[‘java’] = 98 3.del dic[‘c’] 4.dic[‘php’] = 90 5.list.dict.keys() 6.list.dict.value() 7.if ‘javascript’ in dict 8. 9. 10. 11.dict.update(dict2) 12.这篇很水我知道，时间紧迫争取明天补上javascript