#/usr/bin/env python#yehui'''作业三：多级菜单 三级菜单 可依次选择进入各子菜单 所需新知识点：列表、字典'''import readlineclass MultiLevelMenu: def __init__(self): self.counts = 0 self.multi_level_menu = { "这是第三级菜单!hello": { "这是第二级菜单!hi": "这是第一级菜单" } } for self.k3,self.v in self.multi_level_menu.items(): self.menu3 = self.k3 for self.k2,self.v1 in self.v.items(): self.menu2 = self.k2 self.menu1 = self.v1 def choice_menu(self): print("1.%5s" % self.menu1) print("2.%5s" % self.menu2) print("3.%5s" % self.menu3) while self.counts <= 10: self.counts += 1 self.choic = input("请输入你想进入的菜单序列号,输入q退出: ") if self.choic == "1": print("欢迎进入一级菜单: %s" % self.menu1) elif self.choic == "2": print("欢迎进入二级菜单: %s" % self.menu2) elif self.choic == "3": print("欢迎进入三级菜单: %s" % self.menu3) elif self.choic == "q": exit("bye!")if __name__ == '__main__': m = MultiLevelMenu() m.choice_menu()
转载于:https://www.cnblogs.com/yehui/p/9051043.html
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