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lesson13-4
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Commit
b7ab616d
authored
Nov 12, 2022
by
BellCodeEditor
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383fe3e3
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diy.py
diy.py
View file @
b7ab616d
with
open
(
r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'
,
'r'
,
encoding
=
'utf-8'
)
as
file
:
a
=
file
.
readlines
()
#print(a)
for
i
in
a
:
new_data
=
i
.
split
()
s
=
0
for
m
in
new_data
[
1
:]:
s
=
s
+
int
(
m
)
result
=
new_data
[
0
]
+
str
(
s
)
print
(
result
)
\ No newline at end of file
final_sum
=
[]
for
i
in
a
:
#用for...in...把每一行的数据遍历
new_data
=
i
.
split
()
#把字符串切分成更细的一个个的字符串
s
=
0
#先把总钱数设为0
for
m
in
new_data
[
1
:]:
#遍历列表中第1个数据和之后的数据
s
=
s
+
int
(
m
)
#然后依次加起来,但sales是字符串,所以要转换
result
=
new_data
[
0
]
+
str
(
s
)
+
'
\n
'
#结果就是学生姓名和总义卖款,后面加上义卖款,写入的时候更清晰
final_sum
.
append
(
result
)
#每次把结果都补充到列表中
with
open
(
r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'
,
'a'
,
encoding
=
'utf-8'
)
as
file
:
file
.
writelines
(
final_sum
)
\ No newline at end of file
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