comefrom: <doocs>0172.Factorial Trailing Zeroes_1.py
code: def trailingZeroes( n: int) -> int:
      ans = 0
      while n:
          n //= 5
          ans += n
      return ans
masked: def sample_funcname ( var_0 : int ) -> int :
      var_3 = 0
      while var_0 :
          var_0 //= 5
          var_3 += var_0
      return var_3
  