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'
+# file=open(r'C:\Users\Administrator.SC2206-2023UCRO\Desktop\test.txt','w',encoding='utf-8')
+# file.write('小兰：12本')
+# file.write('小丽：11本')
+# file.write('李文：9本')
+# file.write('张伟：16本')
+# file.close()
+# with open(r'C:\Users\Administrator.SC2206-2023UCRO\Desktop\test.txt','a',encoding='utf-8') as file:
+#     file.write('小强：12本') 
+#     file.write('李明：15本')  
+new_data=''
+with open(r'C:\Users\Administrator.SC2206-2023UCRO\Desktop\test.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if '小强：12本' in data:
+            data=data.replace('小强：12本','小强：11本')
+        new_data+=data
+with open(r'C:\Users\Administrator.SC2206-2023UCRO\Desktop\test.txt','w',encoding='utf-8') as file:
+    file.write(new_data)            
\ No newline at end of file