Python - Pass Function as Function Parameter

Pass Function as Function Parameter

Q

How to pass function objects as function parameters?

✍: FYIcenter.com

A

You can pass function objects like any other types of objects as parameters of other functions.

For example,

>>> def x():
...    print("Hello world!")
...
>>> def addVersion(f):
...     f.version = "1.0"
...     f.author = "FYIcenter.com"
...     return f
...
>>> y = addVersion(x)
>>> x.version
'1.0'
>>> y.version
'1.0'

⇒Defining Functions in Python

⇒⇒Python Tutorials

2018-02-08, 301👍, 0💬

Pass Function as Function Parameter
How to pass function objects as function parameters? You can pass function objects like any other types of objects as parameters of other functions. For example, >>> def x(): ... print("Hello world!") ... >>> def addVersion(f): ... f.version = "1.0" ... f.au... 2018-02-08, 302👍, 0💬

Functions Are Objects Too
Are functions objects in Python? Yes, all functions are objects of "function" type in Python? You can verify this with the following Python code: >>> def x(): ... print("Hello world!") ... >>> type(x) <class 'function'> In other words, the "def... 2018-02-08, 297👍, 0💬

'__dict__' Dictionary in Function Object
What is the "__dict__" dictionary property in a function object? By default every function object has "__dict__" built-in dictionary property. Each name value pair in this dictionary becomes a formal property of the function object accessible using the "." operation. It is empty when the function ob... 2018-02-08, 247👍, 0💬

'@...' Function Decorators
What are function decorators in Python? A function decorator is shorthand notation to replace a function with a new version transformed by a wrapper function. A function decorator can be specified using the following syntax: @decorator_wrapper_function def func(): ... Above Python code is actually e... 2018-05-08, 243👍, 0💬

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