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Python example 'python code first class functions'
python code first class functions
Python code example: python code first class functions
>>> def f(function, *arguments):
return function(*arguments)
>>> f(max, 1, 2, 4, 8, 16)
16
>>>
>>> list(map(abs, [-2, -1, 0, 1, 2]))
[2, 1, 0, 1, 2]
>>>
>>> [abs(item) for item in [-2, -1, 0, 1, 2]]
[2, 1, 0, 1, 2]
>>>
>>> list(map(lambda item: 2 * item, [-2, -1, 0, 1, 2]))
[-4, -2, 0, 2, 4]
>>>
>>> [2 * item for item in [-2, -1, 0, 1, 2]]
[-4, -2, 0, 2, 4]
>>>
>>> list(filter(lambda item: item >= 0, [-2, -1, 0, 1, 2]))
[0, 1, 2]
>>>
>>> [item for item in [-2, -1, 0, 1, 2] if item >= 0]
[0, 1, 2]
>>>
>>> import functools
>>>
>>> functools.reduce(lambda x, y: x + y, [1, 2, 4, 8, 16])
31
>>>
Useful links
- Learn Python: https://pythonbasics.org
- Download Python: https://python.org
More Python: https://pythonprogramminglanguage.com