“打电话"是什么意思?Python 中的函数? [英] What does it mean to "call" a function in Python?

问题描述

呼叫"是什么意思和做什么?你会如何在 Python 中调用"一个函数?

What does "call" mean and do? How would you "call" a function in Python?

推荐答案

当您调用"一个函数时，您基本上只是告诉程序执行该函数.因此，如果您有一个将两个数字相加的函数，例如:

When you "call" a function you are basically just telling the program to execute that function. So if you had a function that added two numbers such as:

def add(a,b):
    return a + b

你会像这样调用函数:

add(3,5)

这将返回 8.在这种情况下，您可以将任意两个数字放在括号中.你也可以调用这样的函数:

which would return 8. You can put any two numbers in the parentheses in this case. You can also call a function like this:

answer = add(4,7)

在这种情况下，这会将变量 answer 设置为等于 11.

Which would set the variable answer equal to 11 in this case.

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