call python

#this will allow you to treat object as function
class Test:
  def __init__(self, num):
    self.num = num
  def __call__(self, inp):
    print(self.num*inp)

#create an instance of Test class
obj = Test(5)
obj(3) #15

call() python

class Foo:
    def __call__(self, a, b, c):
        # ...

x = Foo()
x(1, 2, 3) # __call__

Source: stackoverflow.com

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