new(1)

#import numpy as np

#sentence = 'bitter and better but not batter and bitter'
#print(sentence)

def factrR(n):
    print('Called with n = ', n)
    if n == 1:
        print('Base case = ', n)
        return n
    else:
        res = n * factrR(n-1)
        print('Called with n = ', n,'  return = ', res)
        return res

print(factrR(5))