Python编程 交换两个变量的值

环境信息

• ModelArts
  • CodeLab
    • Notebook - Pytorch-1.0.0

交换两个变量的值

def change(num1, num2):
    return num2, num1

change(10,20)

(20, 10)

a = 10
b = 20
print(a, b)

# life is short, you need python!
a, b = b, a
print(a, b)

10 20
20 10