用python语言编写一个图书馆管理系统，并给出源代码和运行结果

好的，我可以为您提供一个简单的图书馆管理系统的 Python 代码示例。由于篇幅限制，我只提供核心代码部分。

class Book:
    def __init__(self, title, author, genre, year, quantity):
        self.title = title
        self.author = author
        self.genre = genre
        self.year = year
        self.quantity = quantity

class Library:
    def __init__(self):
        self.books = []

    def add_book(self, book):
        self.books.append(book)
        print("书籍已添加！")

    def search_book(self, title):
        for book in self.books:
            if book.title == title:
                return book
        return None

    def remove_book(self, book):
        if book in self.books:
            self.books.remove(book)
            print("书籍已移除！")

    def display_books(self):
        for book in self.books:
            print(f"{book.title} - {book.author} - {book.genre} - {book.year} - {book.quantity}")

def main():
    library = Library()

    book1 = Book("Python编程从入门到实践", "Eric Matthes", "编程", 2016, 5)
    book2 = Book("流浪地球", "刘慈欣", "科幻", 2008, 3)
    book3 = Book("活着", "余华", "文学", 1993, 2)

    library.add_book(book1)
    library.add_book(book2)
    library.add_book(book3)

    library.display_books()

    book = library.search_book("Python编程从入门到实践")
    if book:
        library.remove_book(book)

    library.display_books()

if __name__ == "__main__":
    main()

运行结果如下：

书籍已添加！
书籍已添加！
书籍已添加！
Python编程从入门到实践 - Eric Matthes - 编程 - 2016 - 5
流浪地球 - 刘慈欣 - 科幻 - 2008 - 3
活着 - 余华 - 文学 - 1993 - 2
书籍已移除！
流浪地球 - 刘慈欣 - 科幻 - 2008 - 3
活着 - 余华 - 文学 - 1993 - 2