comefrom: <garvit244>1290_1.py
code: def getDecimalValue( head):
      result = ''
      if not head:
          return 0
      while head:
          result+= str(head.val)
          head = head.next
      return int(result, 2)
masked: def sample_funcname ( var_0 ) :
      var_2 = ''
      if not var_0 :
          return 0
      while var_0 :
          var_2 += str ( var_0.val )
          var_0 = var_0.next
      return int ( var_2 , 2 )
  