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\Administrator\Desktop\test.txt','a',encoding='utf-8') as file:
+#     file.write('小兰: 12本\n')
+#     file.write('小丽: 11本\n')
+#     file.write('李文: 9本\n')
+#     file.write('张伟: 16本\n')
+#     file.write('小强: 10本\n')
+#     file.write('李明: 15本\n')
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as filel:
+    for data in filel:
+        if '小强: 10本'in data:
+            data=data.replace('小强: 10本','小强: 11本')
+        if '小兰: 12本'in data:
+            data=data.replace('小兰: 12本','小兰: 14本')
+        new_data +=data
+
+with open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as filel:
+    filel.write(new_data)
\ No newline at end of file