#! /usr/bin/env python

# Copyright Lajos Katona
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#          http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.

def summary(start=1, end=10):
    result = 0
    for i in range(start, end):
        result += i
    return result

if __name__ == '__main__':
    print(summary(1, 15))

#! /usr/bin/env python

# Copyright Lajos Katona
#
#     Licensed under the Apache License, Version 2.0 (the "License");
#     you may not use this file except in compliance with the License.
#     You may obtain a copy of the License at
#
#          http://www.apache.org/licenses/LICENSE-2.0
#
#     Unless required by applicable law or agreed to in writing, software
#     distributed under the License is distributed on an "AS IS" BASIS,
#     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#     See the License for the specific language governing permissions and
#     limitations under the License.


def summary(start=1, end=10):
    result = 0
    for i in range(start, end):
        result += i
    return result

if __name__ == '__main__':
    print(summary(1, 15))

Fix pep8 problem, extra new line after header