Question

How to create a class with method and dynamic parameters in Python

Answer 1

class Test:

    def __init__(self):
        print("Class Test instance initialized")

    def __call__(self, *arguments, **keywords):
        print("Arguments are:", arguments, keywords)

o = Test()
print("call the instance:")
o(7, 8, 9, 10, a=11, b=22, c=33)


'''
run:

Class Test instance initialized
call the instance:
Arguments are: (7, 8, 9, 10) {'a': 11, 'c': 33, 'b': 22}

'''

 

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Answer 2

class Test:

    def __init__(self):
        print("Class Test instance initialized")

    def __call__(self, *arguments, **keywords):
        for i in arguments:
            print(i)

o = Test()
print("call the instance:")
o(7, 8, 9, 10, a=11, b=22, c=33)


'''
run:

Class Test instance initialized
call the instance:
7
8
9
10

'''

 

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Answer 3

class Test:

    def __init__(self):
        print("Class Test instance initialized")

    def __call__(self, *arguments, **keywords):
        for i in keywords:
            print(keywords[i])

o = Test()
print("call the instance:")
o(7, 8, 9, 10, a=11, b=22, c=33)


'''
run:

Class Test instance initialized
call the instance:
33
22
11

'''

 

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Answer 4

class Test:

    def __init__(self):
        print("Class Test instance initialized")

    def __call__(self, *arguments, **keywords):
        print("Arguments are:", arguments, keywords)

o = Test()
print("call the instance:")
o(7, 8, 9, 10, a=11, b=22, c=33)
o(300, 400, a=8888, b=7777, c=6666, d=5555)


'''
run:

Class Test instance initialized
call the instance:
Arguments are: (7, 8, 9, 10) {'c': 33, 'b': 22, 'a': 11}
Arguments are: (300, 400) {'d': 5555, 'c': 6666, 'b': 7777, 'a': 8888}

'''

 

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