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'
+with open(r'C:\Users\Administrator\Desktop\456.txt','r',encoding='utf-8')as file:
+    for data in file:
+        if'm'in data:
+            data=data.relace('m','91')
+        new_data+=data
+    print(new_data)
\ No newline at end of file