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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 validate_instance_password(self, password):
        ''' Validate instance passwords '''
        # 1-16 alphanumeric characters - first character must be a letter -
        # cannot be a reserved MySQL word
        if re.match('[\w-]+$', password) is not None:
            if len(password) <= 41 and len(password) >= 8:
                return True
        return '*** Error: Passwords must be 8-41 alphanumeric characters'