code: def get_pr_num():
      if len(sys.argv) == 2:
          return sys.argv[1]
  
      return input(
          "Which pull request would you like to merge? (e.g. 34): "
      )
  
imports: import configparser
  import os
  import pprint
  import re
  import subprocess
  import sys
  import requests
  import getpass
  from six.moves import input
  import six
label_desc: Use image node_id 12 for calling a global function with example usage: get_pr_num() and returns: input, sys