auto save

1.py

+new_data=''
+with open(r"C:\Users\杨华民\OneDrive\桌面\test2.txt",'r',encoding='utf-8') as file:
+    for data in file:
+        #print(data)
+        if "小强：11本" in data:
+            data=data.replace('小强：11本','小强：10本')
+        new_data+=data
+with open(r"C:\Users\杨华民\OneDrive\桌面\test2.txt",'w',encoding='utf-8') as file1:
+    file1.write(new_data)
+
+#print(new_data)
+with open(r"C:\Users\杨华民\OneDrive\桌面\test2.txt",'r',encoding='utf-8') as file2:
+    a=file2.readlines()
+    print(a)