input: Write a python function to load and parse a YAML configuration file. 
  assert parse_yaml_config('sample.yaml') == {'key1': 'value1', 'key2': 'value2'}
  assert parse_yaml_config('complex.yaml') == {'outer': {'inner': 'value'}}
  assert parse_yaml_config('empty.yaml') == {}
output: def parse_yaml_config(file_path):
      import yaml
      with open(file_path, 'r') as file:
          return yaml.safe_load(file)