auto save

hh.py

+fruit = {
+    "苹果":2.3,"桃子":4.9, "柠檬":9.9, "香蕉":5.0
+}
+
+fruit["苹果"] = 8.0
+fruit["fdsia"] = 9.0
+# print(fruit)
+
+a = input("请输入查找的水果")
+b = input("请输入水果价格")
+
+if a in fruit:
+#     print(fruit[a])
+    if fruit[a] > float(b):
+        print("便宜了，快去买")
+    else:
+        print("涨价了，过几天再买")
+else:
+    fruit[a] = float(b)
+
+print(fruit)
+
+
+
+
+