def __getitem__(self, abbreviation):
for team in self._teams:<EOL><INDENT>if team.abbreviation.upper() == abbreviation.upper():<EOL><INDENT>return team<EOL><DEDENT><DEDENT>raise ValueError('<STR_LIT>' % abbreviation)<EOL>
Return a specified team.

Returns a team's instance in the Teams class as specified by the team's
abbreviation.

Parameters
----------
abbreviation : string
    An NHL team's three letter abbreviation (ie. 'DET' for Detroit Red
    Wings).

Returns
-------
Team instance
    If the requested team can be found, its Team instance is returned.

Raises
------
ValueError
    If the requested team is not present within the Teams list.