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Python return返回值
例:import random def getAn(answer): if answer == 1: return 'one' elif answer == 2: ret...
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Python def函数及参数
自定义函数例一:def hello(): print("K") print("J") print("I") print('\n'...
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Python sys.exit语句提前结束
例:import syswhile True:print("Type exit to exit.") res = input("请输入:") if res == "exit": ...
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Python 模块导入
例一:导入随机数模块,显示5次1-10中的随机数import random for i in range(1,6): print(random.randint(1,10))...
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Python for语句&range()语句
例一:打印名字5次:print('请输入名字5次') for i in range(5): i = i+1 print("Jim:",i) 等价的whileprint("输出...
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Python While循环continue、break语句
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Python if elif else语句例子猜数字
例子import random k = random.randint(1,20) print('这个数字在1到20之间') for i in range(1,7): y = int(input("请输入...
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Python 基础
1.常见数据类型整型 -1,2,3,4,5,6 浮点型 0.1,0.2,2.2 字符串 'a','acv','Hello&...