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| def karatsuba(x,y): | |
| """Function to multiply 2 numbers in a more efficient manner than the grade school algorithm""" | |
| if len(str(x)) == 1 or len(str(y)) == 1: | |
| return x*y | |
| else: | |
| n = max(len(str(x)),len(str(y))) | |
| nby2 = n / 2 | |
| a = x / 10**(nby2) | |
| b = x % 10**(nby2) |