comefrom: <garvit244>1087_1.py
code: def permute( S):
      if not S:
          return []
      if '{' not in S:
          return [S]
      stack, stack2 = [], []
      brace = 0
      for char in S:
          if char == '{':
              brace = 1
          elif char == '}':
              if not stack:
                  stack = stack2
              else:
                  new_stack = []
                  for char in stack:
                      for char2 in stack2:
                          new_stack.append(char + char2)
                              
                  stack = new_stack
              stack2 = []
              brace = 2
          elif char != ',':
              if brace == 1:
                  stack2.append(char)
              elif brace == 2:
                  stack = [c + char for c in stack]
                  stack2 = []
              else:
                  stack.append(char)
              
      stack.sort() 
      stack.sort(key = len) 
      return stack
masked: def sample_funcname ( var_0 ) :
      if not var_0 :
          return [ ]
      if '{' not in var_0 :
          return [ var_0 ]
      var_2 , var_3 = [ ] , [ ]
      var_5 = 0
      for var_6 in var_0 :
          if var_6 == '{' :
              var_5 = 1
          elif var_6 == '}' :
              if not var_2 :
                  var_2 = var_3
              else :
                  var_9 = [ ]
                  for var_6 in var_2 :
                      for var_10 in var_3 :
                          var_9.append ( var_6 + var_10 )
                  var_2 = var_9
              var_3 = [ ]
              var_5 = 2
          elif var_6 != ',' :
              if var_5 == 1 :
                  var_3.append ( var_6 )
              elif var_5 == 2 :
                  var_2 = [ var_14 + var_6 for var_14 in var_2 ]
                  var_3 = [ ]
              else :
                  var_2.append ( var_6 )
      var_2.sort ( )
      var_2.sort ( var_16 = len )
      return var_2
  