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'
+new_data=''
+with open(r'C:\Users\Jackson\Desktop\text.txt','r',encoding='utf-8') as bellcode:
+    
+    for data in bellcode:
+        if '小强：12本' in data:
+            print('小强在')
+            data=data.replace('小强：12本','小强：11本')
+        new_data+=data
+with open(r'C:\Users\Jackson\Desktop\text.txt','w',encoding='utf-8') as bellcode:
+    bellcode.write(new_data)
\ No newline at end of file