Python - Comprehending data: Work that data(str.split)

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 5(Comprehending data: Work that data)、CODE MAGNETS(p.149)を解いてみる。

CODE MAGNETS(p.149)

コード(BBEdit)

sample149.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)
    
with open('james.txt') as f_james, open('sarah.txt') as f_sarah, \
     open('julie.txt') as f_julie, open('mikey.txt') as f_mikey:
    james = f_james.readline().strip().split(',')
    sarah = f_sarah.readline().strip().split(',')
    julie = f_julie.readline().strip().split(',')
    mikey = f_mikey.readline().strip().split(',')

print('james')
for time_string in james:
    print(sanitize(time_string))
print('sarah')
for time_string in sarah:
    print(sanitize(time_string))
print('julie')
for time_string in julie:
    print(sanitize(time_string))
print('mikey')
for time_string in mikey:
    print(sanitize(time_string))

入出力結果(Terminal)

$ ./sample149.py
james
2.34
3.21
2.34
2.45
3.01
2.01
2.01
3.10
2.22
sarah
2.58
2.58
2.39
2.25
2.55
2.54
2.18
2.55
2.55
julie
2.59
2.11
2.11
2.23
3.10
2.23
3.10
3.21
3.21
mikey
2.22
3.01
3.01
3.02
3.02
3.02
3.22
2.49
2.38
$