comefrom: <garvit244>70_1.py
code: def climbStairs( n):
      if n == 0:
          return 0
      
      dp = [0]*n
      dp[0], dp[1] = 1, 2
      
      for index in range(2, n):
          dp[index] = dp[index-1] + dp[index-2]
      return dp[n-1]
masked: def sample_funcname ( var_0 ) :
      if var_0 == 0 :
          return 0
      var_2 = [ 0 ] * var_0
      var_2 [ 0 ] , var_2 [ 1 ] = 1 , 2
      for var_6 in range ( 2 , var_0 ) :
          var_2 [ var_6 ] = var_2 [ var_6 - 1 ] + var_2 [ var_6 - 2 ]
      return var_2 [ var_0 - 1 ]
  