comefrom: <qiyuangong>162_Find_Peak_Element_1.py
code: def findPeakElement( nums):
      start, end = 0, len(nums) - 1
      while start < end:
          mid = (start + end) / 2
          if nums[mid] < nums[mid+1]:
              start= mid + 1
          else:
              end = mid
      return start
masked: def sample_funcname ( var_0 ) :
      var_2 , var_5 = 0 , len ( var_0 ) - 1
      while var_2 < var_5 :
          var_7 = ( var_2 + var_5 ) / 2
          if var_0 [ var_7 ] < var_0 [ var_7 + 1 ] :
              var_2 = var_7 + 1
          else :
              var_5 = var_7
      return var_2
  