save project

diy.py

+new_data=''
 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
 file1=open(r"C:\Users\huawei\Desktop\新建文件夹 (2)\test.txt","r",encoding="utf-8")
 #file1.write("小兰.12本""小丽.11本""李文.9本""张伟.16本")
@@ -6,5 +7,12 @@ file1=open(r"C:\Users\huawei\Desktop\新建文件夹 (2)\test.txt","r",encoding=
 #print(a)
 #file1.close()
 for data in file1:
-    if "小强，12本" in data:
-        print("ta在")
+    if "小强:10" in data:
+        #print("ta在")
+        data=data.replace("小强:10","小强:20")
+    new_data+=data
+with open(r"C:\Users\huawei\Desktop\新建文件夹 (2)\test.txt","w",encoding="utf-8")as file1:
+    file1.write(new_data)
+with open(r"C:\Users\huawei\Desktop\新建文件夹 (2)\test.txt","r",encoding="utf-8")as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file