code: def get_product_schema(pname, settings=None):
      """Retrieve an LI product schema given its name."""
      return products_dict[pname]["schema"](settings)
  
imports: from datetime import datetime
  import numpy
  import xarray
  from satpy.tests.reader_tests.test_netcdf_utils import FakeNetCDF4FileHandler
label_desc: Use image node_id 11 for calling a global function with example usage: get_product_schema(pname, settings) and returns: products_dict