目录:
一、一个任务
二、课时29课后习题及答案
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一、一个任务
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任务:将文件(record.txt)中的数据进行分割并按照以下规律保存起来:
(1)小甲鱼的对话单独保存为boy_*.txt的文件(去掉“小甲鱼:”)
(2)小客服的对话单独保存为girl_*.txt的文件(去掉“小客服:”)
(3)文件中总共有三段对话,分别保存为boy_1.txt, girl_1.txt,boy_2.txt, girl_2.txt, boy_3.txt, gril_3.txt共6个文件(提示:文件中不同的对话间已经使用“==========”分割)
f = open('record.txt')
boy = []
girl = []
count = 1
for each_line in f:
if each_line[:6] != '======':
(role, line_spoken) = each_line.split(':', 1)
if role == '小甲鱼':
boy.append(line_spoken)
if role == '小客服':
girl.append(line_spoken)
else:
file_name_boy = 'boy_' + str(count) + '.txt'
file_name_girl = 'girl_' + str(count) + '.txt'
boy_file = open(file_name_boy, 'w')
girl_file = open(file_name_girl, 'w')
boy_file.writelines(boy)
girl_file.writelines(girl)
boy_file.close()
girl_file.close()
boy = []
girl = []
count += 1
file_name_boy = 'boy_' + str(count) + '.txt'
file_name_girl = 'girl_' + str(count) + '.txt'
boy_file = open(file_name_boy, 'w')
girl_file = open(file_name_girl, 'w')
boy_file.writelines(boy)
girl_file.writelines(girl)
boy_file.close()
girl_file.close()
f.close()
事实上可以利用函数封装得更好看些:
def save_file(boy, girl, count):
file_name_boy = 'boy_' + str(count) + '.txt'
file_name_girl = 'girl_' + str(count) + '.txt'
boy_file = open(file_name_boy, 'w')
girl_file = open(file_name_girl, 'w')
boy_file.writelines(boy)
girl_file.writelines(girl)
boy_file.close()
girl_file.close()
def split_file(file_name):
f = open('record.txt')
boy = []
girl = []
count = 1
for each_line in f:
if each_line[:6] != '======':
(role, line_spoken) = each_line.split(':', 1)
if role == '小甲鱼':
boy.append(line_spoken)
if role == '小客服':
girl.append(line_spoken)
else:
save_file(boy, girl, count)
boy = []
girl = []
count += 1
save_file(boy, girl, count)
f.close()
split_file('record.txt')
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二、课时29课后习题及答案
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