您如何在函数中调用函数? [英] How do you call a function in a function?

问题描述

我有一个函数，并且正在制作另一个需要调用第一个函数的函数.我没有使用Python的经验，但是我知道在MATLAB这样的语言中，只要它们位于同一目录中就可以.

I have a function and I'm making another one in which I need to call the first function. I don't have experience in Python, but I know that in languages like MATLAB it's possible as long as they're in the same directory.

一个基本示例:

def square(x):
    square = x * x

(并保存)

现在在我的新函数中，我想使用我尝试过的函数平方:

Now in my new function I want to use the function square I tried:

def something (y, z)
  import square
  something = square(y) + square(z)
  return something

显示为:builtins.TypeError: 'module' object is not callable.

我该怎么办?

推荐答案

如果import在同一文件中，则不需要.

No need for import if its in the same file.

只需从something函数调用square.

def square(x):
  square = x * x
  return square

def something (y, z)
  something = square(y) + square(z)
  return something

更简单:

def square(x):
  return x * x

def something (y, z)
  return square(y) + square(z)

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