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'
+#with open(r'C:\Users\makcoo05\Desktop\txt.txt','a',encoding='utf-8') as file:
+    #file.write('小兰:12\n')
+    #file.write('小丽:11\n')
+    #file.write('李文:9\n')
+    #file.write('张伟:16\n')
+with open(r'C:\Users\makcoo05\Desktop\txt.txt','r',encoding='utf-8') as filel:
+    for data in filel:
+        if'小兰:12'in data:
+            data=data.replace('小兰:12','小兰:11')
+        print(data)
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