multiplication.py

def multi_imperative(n = 12):
    if(n > 12):
        return print('maximum number allowed is 12')
    for i in range(1,n+1):
        s = ''
        for j in range(1,n+1):
            s += '{0:4} '.format(i*j)
        print(s)

        
multi_imperative()


def multi_iterative(n = 12):
    if(n > 12):
        return print('maximum number allowed is 12')
      
    def times_table_recursive(number, increment):
        maximum = max(increment, 1)

        if number <= maximum * n:
            print('{:3} '.format(number), end=' ')
            times_table_recursive(number + maximum, increment)
        elif increment < n:
            print()
            increment += 1
            times_table_recursive(increment, increment)
        else:
            print()

    times_table_recursive(1, 1)

multi_iterative()