code: def gen_ep_cheatsheet(convo):
      """
      Generates a cheatsheet for a particular conversation (episode).
      The index and it's significance in the cheatsheet is shown below:
          0: First index of a USER that has an ASSISTANT reply to it
          1: Last index of a USER that has an ASSISTANT reply to it
          2: First index of an ASSISTANT that has a USER reply to it
          3: Last index of an ASSISTANT that has a USER reply to it
          4: Number of examples for USER speech  as text and ASSISTANT speech as label
          5: Number of examples for ASSISTANT speech as text and USER speech  as label
      :param convo:
          The dialogue between USER and ASSISTANT [after smoothening]
      """
      cheatsheet = [-1, -1, -1, -1, 0, 0]
      # Assumed that length of convo is greater than two due to filtering cond
      for idx in range(1, len(convo)):
          # find first USER with reply
          if (
              convo[idx - 1]["speaker"] == "USER"
              and convo[idx]["speaker"] == "ASSISTANT"
          ):
              if cheatsheet[0] == -1:
                  cheatsheet[0] = idx - 1
              # find last USER with reply
              cheatsheet[1] = idx - 1
          # find first ASSISTANT with reply
          if (
              convo[idx - 1]["speaker"] == "ASSISTANT"
              and convo[idx]["speaker"] == "USER"
          ):
              if cheatsheet[2] == -1:
                  cheatsheet[2] = idx - 1
              # find last ASSISTANT with reply
              cheatsheet[3] = idx - 1
  
          # Calculate num_examples only if atleast one user was found
          if cheatsheet[1] != -1:
              # Calculate number of user examples
              cheatsheet[4] = (cheatsheet[1] - cheatsheet[0]) // 2 + 1
          # Calculate num_examples only if atleast one user was found
          if cheatsheet[3] != -1:
              # Calculate number of assistant examples
              cheatsheet[5] = (cheatsheet[3] - cheatsheet[2]) // 2 + 1
  
      return cheatsheet
  
imports: from .build import build
  import os
label_desc: Use image node_id 2 for calling a global function with example usage: gen_ep_cheatsheet(convo) and returns: cheatsheet