save project

diy.py

+'''
+with open(r"C:\Users\玛酷机器人\Desktop\C++test.txt",'r',encoding='utf-8') as file:
+    a=file.read()
+    print(a)
+    for data in a:
+        if "小黑: 18本" in data：
+            print("数据在文件里")
+        else:
+            print("数据不在文件里")
+'''
+        data=data.replace("小强11本"，"小兰14本")
+print(a)
\ No newline at end of file