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'
+filel=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
+filel.write('小兰：12本\n')
+filel.close()
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file1:
+    file1.write('小强:12本\n')
+    file1.write('李明:15本\n')
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in filel:
+        if '小强:10本'in data:
+            data= data.replace('小强:10本','小强:11本')
+        new_data+=data     
+        
+    
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