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lesson12-1
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Commit
b02b7fbe
authored
May 21, 2022
by
BellCodeEditor
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parent
05fd057f
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3 changed files
with
17 additions
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13 deletions
book.txt
diy.py
diy2.py
book.txt
View file @
b02b7fbe
小兰:12本
小丽:11本
小兰:9本
小兰:16本
diy.py
View file @
b02b7fbe
# 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'
filte1
=
open
(
r"book.txt"
,
"w"
,
encoding
=
"utf-8"
)
filte1
.
write
(
'小兰:12本
\n
'
)
filte1
.
write
(
'小丽:11本
\n
'
)
filte1
.
write
(
'小兰:9本
\n
'
)
filte1
.
write
(
'小兰:16本
\n
'
)
filte1
.
close
()
new_data
=
''
with
open
(
r'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:11本'
)
if
'小兰:12本'
in
data
:
data
=
data
.
replace
(
'小兰:12本'
,
'小兰:14本'
)
new_data
+=
data
with
open
(
r'book.txt'
,
'w'
,
encoding
=
'utf-8'
)
as
file1
:
file1
.
write
(
new_data
)
with
open
(
r'book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
a
=
file1
.
read
()
print
(
a
)
\ No newline at end of file
diy2.py
View file @
b02b7fbe
with
open
(
r'book.txt'
,
'a'
,
encoding
=
'utf-8'
)
as
file
:
file
.
write
(
'小强:10本
\n
'
)
file
.
write
(
'李明:15本
\n
'
)
\ No newline at end of file
file
.
write
(
'小兰:12本
\n
'
)
\ No newline at end of file
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