Python 公里与英里的换算

这是一个将公里转换为英里的程序，但是，每次我运行它时，都没有一行要求输入，就像它应该的那样，它总是空白的

代码如下：

KILOMETERS_TO_MILES =float(0.6214)

def main():
    Distance = input("please input the distance in kilometers to wish to convert:"))
    showMiles(Distance)

def showmiles(Distance):
    miles = Distance * KILOMETERS_TO_MILES
    print=("Conversion of ", Distance,"kilometers to miles: ", miles, "miles")

main()

这应该起作用：

KILOMETERS_TO_MILES = 0.621371

def show_miles(Distance):
    miles = Distance * KILOMETERS_TO_MILES
    print('Conversion of {} kilometers to miles: {} miles'.format(Distance, miles))

def main():
    Distance = float(input("please input the distance in kilometers you wish to convert: "))
    show_miles(Distance)

main()

您的原始代码有几个问题：

KILOMETERS_TO_MILES =float(0.6214)

def main():
    # You have an extra closing ')' on the next line
    Distance = input("please input the distance in kilometers to wish to convert: "))
    showMiles(Distance)  # this showMiles has an upper case 'M'

def showmiles(Distance):  # this showmiles has a lower case 'm'
    miles = Distance * KILOMETERS_TO_MILES
    # You have an = sign on the next line that shouldn't be there
    print=("Conversion of ", Distance,"kilometers to miles: ", miles, "miles")

main()

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看起来部分问题来自你的第三行。我注意到你有两个右括号），但你只有一个右括号。

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请修复问题中的代码缩进。如前所述，这不可能是有效的Python代码。如果您使用的是所示的代码，您应该会遇到语法错误。语法错误，几周后没有更新……这实际上应该关闭……并丢弃。正如其他答案（以及其他问题）在7个月前所述。