auto save

erji.py

@@ -101,7 +101,7 @@ while True:
 提示用户输入两个正整数,编程求出介于这两个数之间的所有质数并打印输出。
 显示格式为"*数是质数。"
 '''
-
+'''
 a = int(input("请输入开始值："))
 b = int(input("请输入结束值："))
 c = min(a,b)
@@ -110,13 +110,12 @@ d = max(a,b)
 for n in range(c+1,d):
     f = "质数"
     for i in range(2,n):
-        # print(n,"/",i)
         if n%i==0:
             f = "不是质数"
             break
     if f == "质数":
         print(str(n)+"数是质数")
-
+'''
 
 
 
@@ -155,6 +154,64 @@ while True:
 '''
 
 
+'''
+所谓"水仙花数"是指一个三位数，这个三位数各个数位上数字的立方和等于该数本身。
+例如:153是一个"水仙花数"，因为153=13+5+33。编写程序，计算200到500之间的水仙花数共有多少个。
+'''
+'''
+s = 0
+for i in range(200,501):
+    a = i//100
+    b = (i-a*100)//10
+    c = (i-a*100-b*10)
+
+    if a**3 + b**3 + c**3 == i:
+        s+=1
+print(s)
+'''
+
+
+
+# for num in set(1236):
+#     print(num)
+
+# n = (1,2,3,4)
+# n.append(8)
+# print(n)
+
+# a=input("请输入字母或数字")
+# if ord('a')<=ord(a)<=ord('z') or ord('A')<=ord(a)<=ord('Z'):
+#     print('字母')
+# else:
+#     print('数字')
+
+
+# from time import time as tim
+# print(tim.time())
+
+
+class shopping:
+    def __init__(self,name,money):
+        self.name = name
+        self.money = money
+        self.pen = 0
+        
+    def buy(self):
+        while self.money > 10:
+            self.money = self.money-7
+            self.pen = self.pen+1
+        return self.money
+    
+n = int(input())    
+a = shopping('Xiaoming', n)
+print(a.buy())
+
+
+
+
+
+
+