以下是一个便携式图书馆检查的示例代码,用于检查图书馆中是否有可用的图书和借阅记录。
class Book:
def __init__(self, title, author, available=True):
self.title = title
self.author = author
self.available = available
class Library:
def __init__(self, books):
self.books = books
def check_available_books(self):
available_books = []
for book in self.books:
if book.available:
available_books.append(book)
return available_books
def check_borrowed_books(self):
borrowed_books = []
for book in self.books:
if not book.available:
borrowed_books.append(book)
return borrowed_books
def check_borrowing_records(self):
borrowing_records = []
for book in self.books:
if not book.available:
borrowing_records.append(f"Borrowed '{book.title}' by {book.author}")
return borrowing_records
# 创建图书
book1 = Book("Book 1", "Author 1", True)
book2 = Book("Book 2", "Author 2", False)
book3 = Book("Book 3", "Author 3", True)
# 创建图书馆,并将图书添加到图书馆中
library = Library([book1, book2, book3])
# 检查可用的图书
available_books = library.check_available_books()
print("Available books:")
for book in available_books:
print(f"- {book.title} by {book.author}")
# 检查已借阅的图书
borrowed_books = library.check_borrowed_books()
print("\nBorrowed books:")
for book in borrowed_books:
print(f"- {book.title} by {book.author}")
# 检查借阅记录
borrowing_records = library.check_borrowing_records()
print("\nBorrowing records:")
for record in borrowing_records:
print(record)
这个示例代码包括了三个类:Book
、Library
和一个主程序。Book
类用于表示图书,包括标题、作者和是否可借阅的属性。Library
类用于表示图书馆,包括一个图书列表和三个方法用于检查可用的图书、已借阅的图书和借阅记录。主程序创建了几本图书,并将它们添加到图书馆中,然后调用图书馆的三个方法来检查图书馆的状态。
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