摘要:
#定义列表 >>>product_list = [ ["Iphone7",6500], ["MacBook",12000], ["PythonBook",99], ["Coffe",31], ["bike",999]] #查看列表>>>product_list[['Iphone7', 6500], 阅读全文
posted @ 2021-12-12 19:57
nzhcwb
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摘要:
range(10):从索引值为0开始,0-9 range(3,10):从索引值为3开始,3-9 阅读全文
posted @ 2021-12-12 19:27
nzhcwb
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摘要:
#i:代表下标,v:代表实际值for i,v in enumerate(range(10)): print(i,v) enumerate():枚举 #实际举例 #1、定义商品列表product_list = [ ["Iphone7",6500], ["MacBook",12000], ["Pytho 阅读全文
posted @ 2021-12-12 19:20
nzhcwb
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#1、验证输入账号密码的正确性username = "cwb"password = "123456"_user = input("请输入账号:")_passwd = input("请输入密码:")if _user == username and _passwd == password: print( 阅读全文
posted @ 2021-12-12 09:54
nzhcwb
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