auto save

demo.py

+try:
+    age=int(input("请输入年龄:"))
+except :
+    print("请输入一个整数")
+else:
+    if age<18:
+        print("未成年人禁止饮酒")
+print("程序结束")
\ No newline at end of file

demo1.py

+def add():
+    x=10
+    y=20
+    z=x+y
+    return z
+print(add())

func1.py

+def a():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        try:
+            unit=int(unit)
+        except :
+            print("请输入数字：")
+        else:
+            total.append(unit)
+    #print(total)
+    return total
+print(a())
+