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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def remove_alias(alias_names):
 """ Remove an alias. Args: alias_name: The name of the alias to be removed. """

    alias_table = get_alias_table()
    for alias_name in alias_names:
        if alias_name not in alias_table.sections():
            raise CLIError(ALIAS_NOT_FOUND_ERROR.format(alias_name))
        alias_table.remove_section(alias_name)
    _commit_change(alias_table)