comefrom: <qiyuangong>070_Climbing_Stairs_1.py
code: def climbStairs( n):
      dp = [0] * (n + 1)
      dp[0] = 1
      dp[1] = 1
      for i in range(2, n + 1):
          dp[i] = dp[i - 2] + dp[i- 1]
      return dp[n]
masked: def sample_funcname ( var_0 ) :
      var_3 = [ 0 ] * ( var_0 + 1 )
      var_3 [ 0 ] = 1
      var_3 [ 1 ] = 1
      for var_6 in range ( 2 , var_0 + 1 ) :
          var_3 [ var_6 ] = var_3 [ var_6 - 2 ] + var_3 [ var_6 - 1 ]
      return var_3 [ var_0 ]
  