摘要:
字典 #创建字典 info = { 'stu01': 'zhangsan', 'stu02': 'lisi', 'stu03': 'wangwu' } #增加或者更改 info['stu04'] = 'zhaoliu' info.setdefault('stu01','www.baidu.com') 阅读全文
摘要:
字符串: 字符串 name = "hello world!" name2 = 'HELLO WORLD' name3 = 'name is {name} and i am {year} old' #首字母大写 print(name.capitalize()) #将字符转换为小写 print(name 阅读全文