https://www.geeksforgeeks.org/__call__-in-python/
__call__ in Python
object() is shorthand for object.__call__()
class Example:
def __init__(self):
print("Instance Created")
# Defining __call__ method
def __call__(self):
print("Instance is called via special method")
# Instance created
e = Example()
# __call__ method will be called
e()
Output :
Instance Created
Instance is called via special method
class Product:
def __init__(self):
print("Instance Created")
# Defining __call__ method
def __call__(self, a, b):
print(a * b)
# Instance created
ans = Product()
# __call__ method will be called
ans(10, 20)
Output :
Instance Created
200