comefrom: <qiyuangong>1064_Fixed_Point_2.py
code: def fixedPoint( A):
      l, h = 0, len(A) - 1
      while l <= h:
          mid = (l + h) // 2
          if A[mid] < mid:
              l = mid + 1
          elif A[mid] > mid:
              h = mid - 1
          else:
              return mid
      return -1
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_7 :
              var_2 = var_7 + 1
          elif var_0 [ var_7 ] > var_7 :
              var_5 = var_7 - 1
          else :
              return var_7
      return - 1
  