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'
+#file1=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
+#file1.write('小兰:12本、小丽:11本、李文:9本、张伟:16本')
+#file1.close()
+#with open(r'C:\Users\Administrator\Desktop\text.txt','a',encoding='utf-8')as file1:
+    #file1.write("\n小强:12本、\n李明:15本")
+new_file1=""    
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file1:
+    for i in file1:
+        if"小强:12本" in i:
+            i=i.replace('小强:12本','小强:11本')   
+        new_file1=new_file1+i
+with open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')as file2:
+    file2.write(new_file1)        
\ No newline at end of file