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lesson12-4
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Commit
5f6ed810
authored
3 years ago
by
BellCodeEditor
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parent
7aa4a4c9
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19 additions
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7 deletions
diy.py
diy.py
View file @
5f6ed810
...
@@ -5,10 +5,23 @@
...
@@ -5,10 +5,23 @@
# a.write('李文:9本\n')
# a.write('李文:9本\n')
# a.write('张伟:16本')
# a.write('张伟:16本')
# a.close()
# a.close()
with
open
(
r'C:\Users\David\Desktop\text.txt'
,
'a'
,
encoding
=
'utf-8'
)
as
a
:
# with open(r'C:\Users\David\Desktop\text.txt','a',encoding='utf-8') as a:
# b = a.readline()
# for b in a:
# if "小强:10本" in a:
# if"小兰:12本" in a:
# print("数据在文件中")
new_data
=
""
with
open
(
r'C:\Users\David\Desktop\text.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
a
:
for
data
in
a
:
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'C:\Users\David\Desktop\text.txt'
,
'w'
,
encoding
=
'utf-8'
)
as
a
:
a
.
write
(
new_data
)
b
=
a
.
readline
()
for
b
in
a
:
if
"小强:10本"
in
a
:
if
"小兰:12本"
in
a
:
print
(
"数据在文件中"
)
\ No newline at end of file
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