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基础版 n = 3 while n > 0: username = input('请输入用户名') pwd = input('请输入密码') if username == 'xiaoqiang' and pwd == '123': print('登陆成功') break else: print('登 阅读全文
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python manage.py inspectdb > models.py 阅读全文
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from collections import defaultdict # 将列表内的元素,根据位数合并成字典 lst = [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 32769, 65536, 4294967296] dic = defaultdic 阅读全文
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有时候我在工作当中需要将代码中的注释去掉 下面我们就介绍一下吧 利用python去掉java中的注释 import com.example.pojo.MethodInfo; public class MethodInfoUtil{ private static boolean quoteFlag = 阅读全文
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l = [[ {"id": 1, "key": 255}, {"id": 2, "key": 255}, {"id": 3, "key": 256}, {"id": 4, "key": 256}, {"id": 4, "key": 256}, ]] def getResult_1(l): res = 阅读全文
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data_list = [{"a": "123", "b": "321"}, {"a": "123", "b": "321"}, {"b": "321", "a": "23"}] seen = set() new_l = [] for d in data_list: t = tuple(d.item 阅读全文