def _combine_contract(self, years, wages):
contract = {}<EOL>for i in range(len(years)):<EOL><INDENT>contract[years[i]] = wages[i]<EOL><DEDENT>return contract<EOL>
Combine the contract wages and year.

Match the wages with the year and add to a dictionary representing the
player's contract.

Parameters
----------
years : list
    A list where each element is a string denoting the season, such as
    '2017-18'.
wages : list
    A list of all wages where each element is a string denoting the
    dollar amount, such as '$40,000,000'.

Returns
-------
dictionary
    Returns a dictionary representing the player's contract where each
    key is a ``string`` of the season, such as '2017-18' and each value
    is a ``string`` of the wages, such as '$40,000,000'.