input: Write a python function to parse command line arguments into a dictionary.
  assert parse_args(['script.py', 'key1:value1', 'key2:value2']) == {'key1': 'value1', 'key2': 'value2'}
  assert parse_args(['script.py', 'username:admin', 'password:1234']) == {'username': 'admin', 'password': '1234'}
  assert parse_args(['script.py']) == {}
output: def parse_args(args):
      result = {}
      for arg in args[1:]:
          if ':' in arg:
              key, value = arg.split(':', 1)
              result[key] = value
      return result