auto save

aaa.py

+def new_input():
+    total = []
+    while True:
+        unit = input('请输入（q退出）：')
+        if unit == 'q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
+                total.append(unit)
+            finally:
+                print("=====================")
+    return total
+
+
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+
+
+price = new_input()
+pay = sum(price)
+#print("您一共消费了" + str(pay) + "元！扫码还是现金呢？")
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bbb.py

+import aaa
+
+defen=aaa.new_input()
+sum2=aaa.sum(defen)
+print(str(sum2))
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qqq.py

+file = open("C:\\Users\\huxiaocai\\Desktop\\textqqq.txt",'w',encoding='utf-8')
+file.write('李佳阳大帅哥')
+file.close()
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