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How to customize functions in python

王林
王林Original
2020-05-12 11:33:435584browse

How to customize functions in python

Custom function syntax:

Python custom function uses def keyword, the general format is as follows:

def 函数名(参数):
  
    ...

    函数体

    ...

The definition of function mainly has the following points :

1. def: keyword representing the function

2. Function name: the name of the function. The function will be called based on the function name in the future

3. Function body: in the function Perform a series of logical calculations, such as: sending emails, calculating the maximum number in [11,22,38,888,2], etc...

4. Parameters: Provide data for the function body

5. Return value: After the function is executed, data can be returned to the caller.

Code example:

# 定义函数
def test_a():
    print('hello world')
# 调用函数
test_a()

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