save project

11.py

+username = "霍鼎文"
+userpassword="17988"
+i=0
+while True:
+    if i<=3
+        name=input("请输入用户名：")
+        password=input("请输入密码:")
+        i+=1
+        if username==name and password==userpassword:
+            print("登录成功!！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！！")
+            break
+        if name != username:
+            print("用户名错误")
+            continue
+        if password != userpassword:
+            print("用户密码错误")
+    elif :
+        print("去自首吧")
+        exit()
+               
+
+print("欢迎来到贝尔！")
+        
+
+
+
+
+
+
+
+
+
+
+
+
+
+

课件/01.py

+print("-----------------------------")
+print("-----------------------------")
+print("|                           |")
+print("|---------------------------|")
+print("|1.可乐       3元    |   * * ")
+print("|2.雪碧       3.5元  | ------")
+print("|3.糖果       0.5元  | | 投 |")
+print("|4.袜子       10元   | | 币 |")
+print("|5.奥特曼     100元  | | 口 |")
+print("|6.面包       5元    | ------")
+print("|                           |")
+print("|---------------------------|")
+print("|                           |")
+print("|           取货口          |")
+print("|     +----------------+    |")
+print("|     +----------------+    |")
+print("|     +----------------+    |")
+print("|                           |")
+print("|---------------------------|")
+
+qian =int(input("请投入您的货币:"))
+bianhao =int(input("请投入您需要购买的商品编号:"))
+shuliang =int(input("请输入您需要购买的商品数量:"))
+
+if bianhao == 1:
+    jiage = 3
+    print('购买可乐')
+elif bianhao == 2:
+    jiage = 3.5
+    print('购买雪碧')
+elif bianhao == 3:
+    jiage = 0.5
+    print('购买糖果')
+elif bianhao == 4:
+    jiage = 10
+    print('购买袜子')
+elif bianhao == 5:
+    jiage = 100
+    print('购买奥特曼')
+elif bianhao == 6:
+    jiage = 5
+    print('购买面包')
+else:
+    jiage = 0
+    print("请输入正确的价格")
+
+    
+if qian < jiage * shuliang:
+    print('金额不足')
+    print('返还',qian)
+else:
+    print("购买 成功")
+    print('返回',qian - jiage * shuliang)
+
+
+
+
+
+    

课件/02.py

+++ "b/\350\257\276\344\273\266/02.py"

课件/03.py

+++ "b/\350\257\276\344\273\266/03.py"