Python 代码练习和错误示例

有错误的函数部分

函数 1

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def wrong1():
    print("wrong1")
    print("这里有一个错误缩进")

def wrong2():
    print("wrong2")
    if False:
        print("这个不应该输出")
        print("这个也不应该输出")


def wrong3():
    print("wrong3")
    print("hello world")

if __name__ == '__main__':
    wrong1()
    wrong2()
    wrong3()

错误处理示例

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import keyword

if __name__ == '__main__':
    # 错误 1
    str1 = "string"
    print(str1)

    # 错误 2
    print(1024)

    # 错误 3
    float_1 = 1.024
    print(float_1)

    # 错误 4
    # False = False
    print(False)
    print(keyword.kwlist)

    # 在此处输出保留关键字
    print("end")

注释示例

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if __name__ == '__main__':

    # 以下是要修改的代码
    print(1)
    # print(2)
    print(3)
    # print(4)
    print(5)
    # print(6)

    print("hello world")
    # print("这个不应该输出")

    # print(1)
    # print(2)
    print(3)
    print(4)

简单计算器功能

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if __name__ == "__main__":
    a = int(input())
    b = int(input())
    # ********** Begin ********** #
    print("%d + %d = %d" % (a, b, a + b))
    print("%d - %d = %d" % (a, b, a - b))
    print("%d * %d = %d" % (a, b, a * b))
    print("%d / %d = %f" % (a, b, a / b))
    # ********** End ********** #