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lesson12-3
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Commit
ce50a98b
authored
Oct 24, 2021
by
BellCodeEditor
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diy.py
diy.py
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ce50a98b
# 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'
#f = open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8')
#如果在一次程序的运行中,连续调用write函数写入数据,则可以追加写入文件
#如果两次或者多次运行程序写入数据,那么后一次运行程序时的写入会把前一次运行程序时写入的数据,覆盖掉。
#将模式改为a,即append的首字母,使得程序以追加的方式将数据写入文件,这样,多次运行程序都不会覆盖写入的数据
#f.write("小强:10本\n")
#f.write("李明:15本\n")
#f.close()
with
open
(
r"C:\Users\Administrator\Desktop\test.txt"
,
'r'
,
encoding
=
'utf-8'
)
as
f
:
message
=
f
.
read
()
print
(
message
)
for
i
in
message
:
if
'小强:10本'
in
message
:
print
(
d
)
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