comefrom: <qiyuangong>217_Contains_Duplicate_2.py
code: def containsDuplicate( nums):
      nums.sort()
      for i in range(len(nums) - 1):
          if nums[i] == nums[i + 1]:
              return True
      return False
masked: def sample_funcname ( var_0 ) :
      var_0.sort ( )
      for var_5 in range ( len ( var_0 ) - 1 ) :
          if var_0 [ var_5 ] == var_0 [ var_5 + 1 ] :
              return True
      return False
  