save project

daf.py

-while True:
-    years=input("How old are you?\n")
-    try: 
-        if int(years)<=18:
-            print("未成年人禁止吸烟喝酒")
-        else:
-            print("你已成年")
-    except:
-        print("输入错误")
-        continue
+def result():
+    x=int(input("x"))
+    y=int(input("y"))
+    print("return前")
+    a=x+y
+    return(a)
+    b=x*y
+    print("return后")
+a = result()
+print(a)
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