code: def removeprefix(x, prefix):
      """Backport of `removeprefix` from PEP-616 (Python 3.9+)"""
  
      if len(prefix) > 0 and x.startswith(prefix):
          return x[len(prefix) :]
      else:
          return x
  
file_path: keras/keras/utils/python_utils.py
imports: import binascii
  import codecs
  import marshal
  import os
  import types
label_desc: Use image node_id 7 for calling a global function with example usage: removeprefix(x, prefix) and returns: x, x