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lesson12-1
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Commit
ac89622d
authored
2 years ago
by
BellCodeEditor
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diy.py
diy.py
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ac89622d
# 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'
# 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'
#with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file:
new_data
=
''
with
open
(
r'C:\Users\Administrator\Desktop\book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file
:
for
data
in
file
:
for
data
in
file
:
if
'小强:10本'
in
data
:
if
'小强:11本'
in
data
:
print
(
'小强数据在文件中'
)
data
=
data
.
replace
(
'小强:11本'
,
'小强:81本'
)
if
'小兰:13本'
in
data
:
data
=
data
.
replace
(
'小兰:13本'
,
'小兰:16本'
)
new_data
+=
data
with
open
(
r'C:\Users\Administrator\Desktop\book.txt'
,
'w'
,
encoding
=
'utf-8'
)
as
file
:
file
.
write
(
new_data
)
with
open
(
r'C:\Users\Administrator\Desktop\book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file
:
a
=
file
.
read
()
print
(
a
)
#file.write('小兰:112本\n')
#file.write('小兰:112本\n')
#file.write('小丽:11本\n')
#file.write('小丽:11本\n')
file
=
open
(
r'C:\Users\Administrator\Desktop\book.txt'
,
'r'
,
encoding
=
'utf-8'
)
#file = open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
file
.
write
(
'小兰:12本
\n
'
)
#file.write('小兰:12本\n')
file
.
write
(
'张伟:16本
\n
'
)
#file.write('张伟:16本\n')
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