python - + 不支持的操作数类型（“str”和“int”）

Question

所以，我使用 thonny 来编写 python 代码。我不断收到这个错误。（+（“str”和“int”）不支持的操作数类型如果有人可以帮助我，将不胜感激。圣诞快乐！

numbers = ["1", "2", "3", "4", "5", "6"]
print(numbers)
index = 0
for i in numbers:
    print(numbers[index] + 19)
    index = index + 1

标签： python

Answer 1

numbers = ["1", "2", "3", "4", "5", "6"]
print(numbers)
index = 0
for i in numbers:
  print(int(numbers[index]) + 19)
  index = index + 1

您正在尝试将字符串添加到整数。将字符串类型转换为整数