save project

diy.py

+# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李
+# w=open(r'C:\Users\lenovo\Desktop\text.txt','w',encoding='utf-8')
+# w.write('小兰:12本')
+# w.close()
+new_data=''
+with open(r'C:\Users\lenovo\Desktop\text.txt','r',encoding='utf-8') as filel:
+    for data in filel:
+        if '小强:10本' in data:
+            data=data.replace('小强:10本','小强:11本')
+        if '小兰:12本' in data:
+            data=data.replace('小兰:12本','小兰:14本')
+        new_data+=data
+    with open(r'C:\Users\lenovo\Desktop\text.txt','w',encoding='utf-8') as filel:
+        filel.write(new_data)
+    
+