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lesson12-3
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Commit
853ea0db
authored
4 years ago
by
BellCodeEditor
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02.py
02.py
View file @
853ea0db
newdata
=
""
with
open
(
r"C:\Users\Administrator\Desktop\wuzi.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"
)
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
\ No newline at end of file
if
"小强:10本"
in
data
:
data
=
data
.
replace
(
"10"
,
"11"
)
newdata
+=
data
with
open
(
r"C:\Users\Administrator\Desktop\wuzi.txt"
,
"w"
,
encoding
=
"utf-8"
)
as
file
:
file
.
write
(
newdata
)
with
open
(
r"C:\Users\Administrator\Desktop\wuzi.txt"
,
"r"
,
encoding
=
"utf-8"
)
as
file
:
a
=
file
.
read
()
print
(
a
)
\ No newline at end of file
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