save project

aaa1.py

+def sun_a(n):
+    if n==1:
+        return 1
+    z=sun_a(n-1)
+    return n+z
+d=sun_a(100)
+print(d)
+
+    
+
+
+
+

diy4.py

-import random
+def new_input():
+    total = []
+    while True:
+        unit=input('请输入（q退出）：')
+        if unit=='q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+            finally:
+                print("===================================")
+    return total
 
 
-# 私钥
-key = "abcdefgh使用编程实现位移替换加密，制作密码机关真是太好玩了哈哈！"
-# 要加密语句
-message = "诺依，周末一起去看动漫展吧！"
-key_message="" 
-# 请使用私钥key，对message进行加密
-for i in range(len(message)):
-    a=message[i]
-    b=random.choice(key)
+def sum (money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+price = new_input()
+pay = sum(price)
+print("您共消费" + str(pay) + "元！扫码还是现金呢？")    
\ No newline at end of file
-    c=random.choice(key)
-    d=a+b+c
-    key_message=key_message+d
-print(key_message)
-message1=list(key_message)
-message1.insert(random.randint(0,len(message1)),"￥%……&*$%_*^&%(%^")
-message2="".join(message1)
-print(message2)
\ No newline at end of file