Python - Custom data Objects: Bundling code with data(list, pop method)

Head First Python
( O'Reilly Media)
Paul Barry (著)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python (プログラミング言語)

Head First Python (Paul Barry(著)、 O'Reilly Media )のChapter 6(Custom data Objects: Bundling code with data)、CODE MAGNETS(p.175)を解いてみる。

CODE MAGNETS(p.175)

コード(BBEdit)

sample175.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

def sanitize(time_string):
    if '-' in time_string:
        spliter = '-'
    elif ':' in time_string:
        spliter = ':'
    else:
        return time_string

    (mins, secs) = time_string.split(spliter)
    return mins + '.' + secs

def getCoachData(filename):
    try:
        with open(filename) as f:
            data = f.readline()
        return data.strip().split(',')
    except IOError as ioerr:
        print('File error: {0}'.format(ioerr))
        return None

sarah = getCoachData('sarah2.txt')
(sarah_name, sarah_dob) = sarah.pop(0), sarah.pop(0)
print("{0}'s fastest times are: {1}".format(
    sarah_name, sorted(set(sanitize(t) for t in sarah))[:3]))

入出力結果(Terminal)

$ ./sample175.py
Sarah Sweeney's fastest times are: ['2.18', '2.21', '2.22']
$