code: def encode(self, iterable):
      if isinstance(iterable, list):
          return [self.encode(i) for i in iterable]
      else:
          return [
              self.mapping[i] + self.mapping[self.char_blank]
              for i in iterable
          ]
  
imports: import collections
  import itertools
label_desc: Use image node_id 2 for calling the LanguageModel obj's underlying member method code with example usage: obj.encode(iterable) and returns: unknown, unknown