Question

chargePerDay = 30.0
feeEachMile = 0.5
fuelPerGallon = 1.5

print("How many users are there?")
numberOfUsers = input()

for i in range(numberOfUsers):
    print('For user ' + i)

    print("Number of days")
    numberOfDays = input()

    print("Number of miles")
    numberOfMiles = input()

    totalRentalFee = (chargePerDay * float(numberOfDays)) + (feeEachMile * float(numberOfMiles))
    print('Hi user ' + i + ' Your total rental fee is ' + str(totalRentalFee))

当我运行它时，它正在打印 for in in range（numberOfUsers）： TypeError：＆＃39; str＆＃39; object不能解释为整数

这有什么问题？请帮忙！

Answer 1

您输入的内容是字符串，需要将其转换为整数：

numberOfUsers = int(input())
# ... rest of code

Answer 2

input返回一个字符串。 range想要一个整数。

将range(numberOfUsers)更改为range(int(numberOfUsers))

当您尝试使用整数i连接字符串时，下一行中的错误如下所示。在str(i)的调用中使用print。

Answer 3

转换为int。

numberOfUsers = int(input())

Python 2＆＃39; s input()自动评估，而Python 3则删除了2 input()并将其替换为等同于raw_input()的{{1}}。字符串。

Answer 4

您的问题是您使用整数数据对象而不是字符串。要转换它们，请使用以下代码：

chargePerDay = 30.0
feeEachMile = 0.5
fuelPerGallon = 1.5

print("How many users are there?")
numberOfUsers = input()

for i in range(numberOfUsers):
    print('For user ' + str(i))

    print("Number of days")
    numberOfDays = input()

    print("Number of miles")
    numberOfMiles = input()

    totalRentalFee = (chargePerDay * float(numberOfDays)) + (feeEachMile * float(numberOfMiles))
    print('Hi user ' + str(i) + ' Your total rental fee is ' +     str(totalRentalFee))

Python用户输入和打印输出

4 个答案: