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lesson12-2
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Commit
0658f559
authored
3 years ago
by
BellCodeEditor
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diy.py
diy.py
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0658f559
# 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'
new_data
=
''
#file1=open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')
#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')
#file1.close()
with
open
(
"C:
\\
Users
\\
Administrator
\\
Desktop
\\
test.txt"
,
'a'
,
encoding
=
'utf-8'
)
as
file1
:
file1
.
write
(
'小强:12本
\n
'
)
file1
.
write
(
'李明:15本
\n
'
)
for
i
in
file1
:
if
"小强:12本"
in
i
:
print
(
"数据在里面"
)
#with open("C:\\Users\\Administrator\\Desktop\\test.txt",'W',encoding='utf-8') as file1:
# file1.write('小强:12本\n')
# file1.write('李明:15本\n')
with
open
(
"C:
\\
Users
\\
Administrator
\\
Desktop
\\
test.txt"
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
for
data
in
file1
:
if
"小强:12本"
in
data
:
data
.
replace
(
'小强12本'
,
'小强:11本'
)
if
"小兰:12本"
in
data
:
data
.
replace
(
'小兰:12本'
,
'小强:14本'
)
new_data
+=
data
with
open
(
"C:
\\
Users
\\
Administrator
\\
Desktop
\\
test.txt"
,
'w'
,
encoding
=
'utf-8'
)
as
file1
:
file1
.
write
(
new_data
)
with
open
(
"C:
\\
Users
\\
Administrator
\\
Desktop
\\
test.txt"
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
file1
.
read
(
new_data
)
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