save project

diy.py

+# 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'
+data_new='' 
+with open(r"C:\Users\makcoo\Documents\test.txt","r",encoding="utf-8") as ed:
+   
+    for data in ed:
+        if '李文' in data:
+            print("这个数据在里面")
+            print(data)
+            data=data.replace("李文-9","李文-11")
+        print(data)
+        
+        data_new=data+data_new
+with open(r"C:\Users\makcoo\Documents\test.txt","w",encoding="utf-8") as ed:
+    ed.write(data_new)
+    print("新的",data_new)
+
+'''   
+ed.write("张伟-16\n")
+ed.close()
+'''
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