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lesson12-4
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Commit
7923a107
authored
4 years ago
by
BellCodeEditor
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dff3865e
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diy.py
diy.py
View file @
7923a107
# 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'
newdata
=
""
file
=
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"w"
,
encoding
=
'utf-8'
)
file
.
write
(
'小兰:12本
\n
'
)
...
...
@@ -9,10 +10,10 @@ file.write('张伟:16本\n')
file
.
close
()
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"a"
,
encoding
=
'utf-8'
)
as
file
:
file
.
write
(
'小
明
:10本
\n
'
)
file
.
write
(
'小
强
:10本
\n
'
)
file
.
write
(
'小张:15本
\n
'
)
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"
r
"
,
encoding
=
'utf-8'
)
as
file
:
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"
a
"
,
encoding
=
'utf-8'
)
as
file
:
a
=
file
.
read
()
print
(
a
)
file
.
close
()
...
...
@@ -20,9 +21,25 @@ with open(r"C:\Users\86150\Desktop\text.txt","r",encoding='utf-8') as file:
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"r"
,
encoding
=
'utf-8'
)
as
file
:
for
data
in
file
:
if
"小强:10本"
in
data
:
print
(
"小强数据在文件中"
)
data
=
data
.
replace
(
"小强:10本"
,
"小强:11本"
)
newdata
+=
data
if
"小兰:12本"
in
data
:
print
(
"小兰数据在文件中"
)
else
:
print
(
"数据不在文件中"
)
break
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"w"
,
encoding
=
'utf-8'
)
as
file
:
file
.
write
(
newdata
)
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"r"
,
encoding
=
'utf-8'
)
as
file
:
a
=
file
.
read
()
print
()
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"r"
,
encoding
=
'utf-8'
)
as
file
:
for
data
in
file
:
if
"小强:10本"
in
data
:
data
=
data
.
replace
(
"小强:10本"
,
"小强:11本"
)
newdata
+=
data
with
open
(
r"C:\Users\86150\Desktop\text.txt"
,
"w"
,
encoding
=
'utf-8'
)
as
file
:
file
.
write
(
newdata
)
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