auto save

d.py

+def data():
+    zong=[]
+    while True:
+        a=input("输入价格")
+        if a=="stop":
+            break
+        else:
+            try:
+                a1=int(a)
+            except:
+                print("请输入数字！")
+            else:
+                zong.append(a1)
+    print(zong)
+    return(zong)
+h=data()
+print(h)
\ No newline at end of file

r.py

+def add(x,y):
+    w=x+y
+    print(w)
+    
+add(8,7)
+    
\ No newline at end of file