本文介绍了+ 不支持的操作数类型:“int"和“str"的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
我目前正在学习 Python，所以我不知道发生了什么.
I am currently learning Python so I have no idea what is going on.
num1 = int(input("What is your first number? "))
num2 = int(input("What is your second number? "))
num3 = int(input("What is your third number? "))
numlist = [num1, num2, num3]
print(numlist)
print("Now I will remove the 3rd number")
print(numlist.pop(2) + " has been removed")
print("The list now looks like " + str(numlist))
当我运行程序时，输入 num1、num2 和 num3 的数字，它会返回:Traceback(最近一次调用最后一次):
When I run the program, entering in numbers for num1, num2 and num3, it returns this: Traceback (most recent call last):
TypeError: unsupported operand type(s) for +: 'int' and 'str'
推荐答案
你试图连接一个字符串和一个整数，这是不正确的.
You're trying to concatenate a string and an integer, which is incorrect.
将 print(numlist.pop(2)+" has been removed") 更改为以下任何一项:
Change print(numlist.pop(2)+" has been removed") to any of these:
显式 int 到 str 转换:
print(str(numlist.pop(2)) + " has been removed")
使用 , 代替 +:
print(numlist.pop(2), "has been removed")
字符串格式:
print("{} has been removed".format(numlist.pop(2)))
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