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Mahdi Amini
git first project
Commits
f79138fa
Commit
f79138fa
authored
Feb 25, 2026
by
Mahdi Amini
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class
Book
:
def
__init__
(
self
,
book_id
,
title
,
author
):
self
.
book_id
=
book_id
self
.
title
=
title
self
.
author
=
author
def
__str__
(
self
):
return
f
"{self.title} - {self.author}"
class
Library
:
def
__init__
(
self
,
library_id
,
title
):
self
.
library_id
=
library_id
self
.
title
=
title
self
.
books
=
{}
def
add_book
(
self
,
book
,
count
):
if
book
.
book_id
in
self
.
books
:
self
.
books
[
book
.
book_id
][
"count"
]
+=
count
else
:
self
.
books
[
book
.
book_id
]
=
{
"book"
:
book
,
"count"
:
count
}
def
__str__
(
self
):
return
self
.
title
class
Student
:
def
__init__
(
self
,
student_id
,
full_name
):
self
.
student_id
=
student_id
self
.
full_name
=
full_name
def
__str__
(
self
):
return
self
.
full_name
# ...
class
Borrow
:
def
__init__
(
self
,
student
,
book
,
library
):
self
.
student
=
student
self
.
book
=
book
self
.
library
=
library
def
info
(
self
):
return
f
"{self.student} کتاب «{self.book}» را از کتابخانه {self.library} گرفته است"
book1
=
Book
(
1
,
"رازآلوده"
,
"نویسنده حسین"
)
book2
=
Book
(
2
,
"test"
,
"author test"
)
library1
=
Library
(
1
,
"تاریخی"
)
library2
=
Library
(
2
,
"ورزشی"
)
library1
.
add_book
(
book1
,
3
)
library2
.
add_book
(
book2
,
1
)
student1
=
Student
(
1
,
"Ali"
)
borrow1
=
Borrow
(
student1
,
book1
,
library1
)
print
(
borrow1
.
info
())
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