old_contents: # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License.
  
  import runpy
  import sys
  
  # Sometimes executing scripts can print out stuff before the actual output is
  # printed. For eg. when activating conda. Hence, printing out markers to make
  # it more resilient to pull the output.
  print(">>>PYTHON-EXEC-OUTPUT")
  
  module = sys.argv[1]
  try:
      if module == "-c":
          ns = {}
          for code in sys.argv[2:]:
              exec(code, ns, ns)
      elif module.startswith("-m"):
          moduleName = sys.argv[2]
          sys.argv = sys.argv[2:]  # It should begin with the module name.
          runpy.run_module(moduleName, run_name="__main__", alter_sys=True)
      elif module.endswith(".py"):
          sys.argv = sys.argv[1:]
          runpy.run_path(module, run_name="__main__")
      elif module.startswith("-"):
          raise NotImplementedError(sys.argv)
      else:
          runpy.run_module(module, run_name="__main__", alter_sys=True)
  finally:
      print("<<<PYTHON-EXEC-OUTPUT")
  
new_contents: # Copyright (c) Microsoft Corporation. All rights reserved.
  # Licensed under the MIT License.
  
  import runpy
  import sys
  
  # Sometimes executing scripts can print out stuff before the actual output is
  # printed. For eg. when activating conda. Hence, printing out markers to make
  # it more resilient to pull the output.
  print(">>>PYTHON-EXEC-OUTPUT")
  
  module = sys.argv[1]
  try:
      if module == "-c":
          ns = {}
          code = sys.argv[2]
          del sys.argv[2]
          del sys.argv[0]
          exec(code, ns, ns)
      elif module.startswith("-m"):
          moduleName = sys.argv[2]
          sys.argv = sys.argv[2:]  # It should begin with the module name.
          runpy.run_module(moduleName, run_name="__main__", alter_sys=True)
      elif module.endswith(".py"):
          sys.argv = sys.argv[1:]
          runpy.run_path(module, run_name="__main__")
      elif module.startswith("-"):
          raise NotImplementedError(sys.argv)
      else:
          runpy.run_module(module, run_name="__main__", alter_sys=True)
  finally:
      print("<<<PYTHON-EXEC-OUTPUT")
  
subject: Fix marker script support for '-c' flag (#18418)