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lesson12-3
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Commit
18b7451b
authored
Oct 24, 2021
by
BellCodeEditor
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diy3.py
diy3.py
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18b7451b
# 完成修改数据前的遍历和条件判断,找下'小强:10本'在不在数据中,以及小兰的数据'小兰:12本'在不在
with
open
(
r'C:\Users\CM\Desktop\book.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file1
:
for
data
in
file1
:
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'
)
#读取文件
file
=
open
(
r'C:\Users\CM\Desktop\book.txt'
,
'r'
,
encoding
=
'utf-8'
)
a
=
file
.
read
()
print
(
a
)
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