code: def main(ctx, extension, strict_extensions, default_extension, x):
      """Top level zipline entry point."""
      # install a logbook handler before performing any other operations
      logbook.StderrHandler().push_application()
      create_args(x, zipline.extension_args)
      load_extensions(
          default_extension,
          extension,
          strict_extensions,
          os.environ,
      )
  
imports: import errno
  import os
  import click
  import logbook
  import pandas
  from six import text_type
  import zipline
  from zipline.data import bundles
  from trading_calendars import get_calendar
  from zipline.utils.compat import wraps
  from zipline.utils.cli import Date, Timestamp
  from zipline.utils.run_algo import _run, BenchmarkSpec, load_extensions
  from zipline.extensions import create_args
label_desc: Use image node_id 1 for calling a global function with example usage: main(ctx, extension, strict_extensions, default_extension, x) without return types