Recursive Method 06

 Recursive method is a dynamic approach, used for Optimal code Big-(O) notation.

This may takes few extra lines of code, yet the resources are less consumed.

Sample Code-01:

class Factorial:
    
    def factorial_number(inumber):
        def inner_counter(count, holder):
            if count <= 1:
                return holder
            else:
                return inner_counter((count -1),(count * holder))
         
        return inner_counter(inumber, 1)
        
        
if __name__ == "__main__":
    fact = Factorial.factorial_number(5)

#----------String format( )------------#

    print("Factorial for 5 is {fact}".format(fact=fact))

 

O/P

Factorial for 5 is 120

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