save project

1.py

+#file1 = open(r'C:\Users\Acer\Desktop\y.txt','w',encoding='utf-8')
+#file1.write('小兰: 12本\n')
+#file1.write('小丽: 11本\n')
+#file1.write('李文: 9本\n')
+#file1.write('张伟: 16本\n')
+#file1.close()
+#with open(r'C:\Users\Acer\Desktop\y.txt','a',encoding='utf-8') as file:
+    #file.write('小强: 10本\n')
+    #file.write('李明: 15本\n')
+with open(r'C:\Users\Acer\Desktop\y.txt','r',encoding='utf-8') as file:
+    for data in file1:
+        if '小强: 10本' in data:
+            print('小强数据在文件中')
+        if '小兰: 12本' in data:
+            print('小兰数据在文件中')
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func.py

+def new_input():
+    total = []
+    while True:
+        money= input("请输入(q退出)：")
+        if money== 'q':
+            break
+        else:
+            try:
+                money = int(money)
+            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"）
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