```python import sys def fizz_buzz(limit): for i in range(1,limit+1): if i % 3 == 0: print('fizz',end="") if i % 5 == 0: print('fizz',end="") if i % 3 and i % 5: print(i) else: print() def main(): fizz_buzz(int(sys.argv[1])) if __name__=='__main__': main() ``` 