auto save

2.py

+import turtle as t
+t.hideturtle()
+t.speed(9)
+ 
+t.color("yellow","yellow")
+t.begin_fill()
+for x in range(12):
+    t.forward(50)
+    for y in range(3):
+        t.right(120)
+        t.forward(50)
+    t.left(30) # 360/12=30
+t.end_fill()
+ 
+t.color("red","red")
+t.begin_fill()
+for x in range(12):
+    t.forward(50)
+    t.left(30)
+t.end_fill()
+ 
+t.done()

3.py

+class Price:
+    def pay(self):
+        day=int(input("请输入星期（1-5代表工作日，6-7代表周末）:"))
+        da=int(input("请输入成人人数"))
+        xiao=int(input("请输入儿童人数"))
+        if day in range(1,6):
+            sum=100*da+50*xiao 
+        else:
+            sum=120*da+60*xiao 
+        print("需要支付%d元"%sum)
+p=Price()
+p.pay()

4.py

+import random
+
+class RandomNumberGenerator:
+    def __init__(self, num, start, end):
+        self.num = num
+        self.start = start
+        self.end = end
+    
+    def generate(self):
+        """生成指定个数和数值范围的随机整数列表"""
+        result = []
+        for i in range(self.num):
+            result.append(random.randint(self.start, self.end))
+        return result
+
+# 测试
+num,start,end=input("请输入数字个数、数字范围起始值和数字范围终止值（以逗号分隔）：").split(",")
+num = int(num)
+start = int(start)
+end = int(end)
+
+rng = RandomNumberGenerator(num, start, end)
+random_numbers = rng.generate()
+print(random_numbers)
\ No newline at end of file

7.py

+# for ji in range(1,35):
+#     tu=35-ji
+#     if ji+tu==35 and ji*2+tu*4==94:
+#         print("鸡有{}只，兔有{}只".format(ji,tu))
+
+
+
+
+
+
+# n=int(input("请输入一个数"))
+# s=0
+# if n%2==0:
+#     for i in range(2,n+1,2):
+#         s=s+1/i
+# else:
+#     for i in range(1,n+1,2):
+#         s=s+1/i
+# print("%.3f"%s)
+        
+
+
+# def a(n):
+# 	if n==1 or n==2:
+# 		return 1/n
+# 	else:
+# 		return 1/n+a(n-2)
+# n=int(input())
+# print("%.2f"%a(n))
+
+
+
+
+# for ab in range(10,100):
+#     x=100+ab   #1ab
+#     y=ab*10+1  #ab1
+#     if x-y==468 or y-x==468:
+#         print(ab)
+
+for gj in range(1,99):
+    for mj in range(1,99):
+        xj=100-gj-mj
+        if 5*gj+3*mj+xj/3==100:
+            print(gj,mj,xj)
\ No newline at end of file

8.py

+import tkinter
+root=tkinter.Tk()
+
+root.title("标题")
+root.geometry("400x300+500+300")
+e1=tkinter.Entry(root,show=None,font=("宋体",14),bg="light grey",width=18)
+
+e1.place(x=140,y=30)
+root.mainloop()

diy.py

@@ -3,9 +3,9 @@
 cost= {'苹果':5.2,'山竹':12.9,'香蕉':2.4,'荔枝':15,'葡萄':9.3,'桂圆':8,'蓝莓':10,'李子':8}
 k=input('请输入水果名称：')
 v=input('请输入水果价钱：')
-# ?补充条件判断:
-    if # ?:
-        # ?更新价钱
+if k in cost:# ?补充条件判断:
+    if float(v)<cost[k]:
+        cost[k]=float(v)# ?更新价钱
         print(k+'降价了，现价'+v+'元')
     else:
         print(k+'涨价了，我们不买')