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lesson12-4
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Commit
a5366a42
authored
Feb 24, 2020
by
BellCodeEditor
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\Users\apple\Desktop\book.txt
diy.py
\Users\apple\Desktop\book.txt
0 → 100644
View file @
a5366a42
小兰:12本
小兰:12本
小丽:11本
李文:9本
张伟:16本
diy.py
0 → 100644
View file @
a5366a42
# 写入同学们的捐赠明细:'小兰:12本'、'小丽:11本'、'李文:9本'、'张伟:16本'
# 打开、创建文件,这里的路径要换成自己哦~
#file1= open(r'/Users/apple/Desktop/book.txt','w',encoding='utf-8')
# 写入数据
#file1.write('小兰:12本\n')
#file1.write('小丽:11本\n')
#file1.write('李文:9本\n')
#file1.write('张伟:16本\n')
# 关闭文件
#file1.close()
#file= open(r'/Users/apple/Desktop/book.txt','a',encoding='utf-8')
#file.write('小强:10本\n')
#file.write('李明:15本\n')
#file.close()
#with open(r'/Users/apple/Desktop/book.txt','a',encoding='utf-8') as file:
# file.write('精灵:10本\n')
# file.write('李梓:15本\n')
#with open(r'/Users/apple/Desktop/book.txt','r',encoding='utf-8') as file1:
# for data in file1:
# if '小强:10本' in data:
# print('小强数据在文件中')
# if '小兰:12本'in data:
# print('小兰数据在文件中')
new_data
=
''
with
open
(
r'/Users/apple/Desktop/book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
for
data
in
file1
:
if
'小强:10本'
in
data
:
data
=
data
.
replace
(
'小强:10本'
,
'小强:13本'
)
if
'小兰:12本'
in
data
:
data
=
data
.
replace
(
'小兰:12本'
,
'小兰:13本'
)
new_data
+=
data
with
open
(
r'/Users/apple/Desktop/book.txt'
,
'w'
,
encoding
=
'utf-8'
)
as
file1
:
file1
.
write
(
new_data
)
with
open
(
r'/Users/apple/Desktop/book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
a
=
file1
.
read
()
print
(
a
)
Write
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