save project

diy.py

 # 写入同学们的捐赠明细：
-with open(r'C:\Users\裘鑫炜\Desktop\text.txt','a',encoding='utf-8') as file1:
-    file1.write('小兰，12本\n')
-    file1.write('小丽，11本\n')
-    file1.write('李文 ，9本\n')
-    file1.write('张伟，16本\n')
+#with open(r'C:\Users\裘鑫炜\Desktop\text.txt','a',encoding='utf-8') as file1:
+#    file1.write('小兰，12本\n')
+#   file1.write('小丽，11本\n')
+#  file1.write('李文 ，9本\n')
+#    file1.write('张伟，16本\n')
+#with open(r'C:\Users\裘鑫炜\Desktop\text.txt','r',encoding='utf-8') as file1:
+#    for data in life1:
+#        if '小强:10本'in data:
+#            print('数据在文件中')
+new_data=''
 with open(r'C:\Users\裘鑫炜\Desktop\text.txt','r',encoding='utf-8') as file1:
     for data in life1:
-        if '小强:10本'in data:
-            print('数据在文件中')
+        if'小强，10本'in data:
+            data=data.replace('小强，10本','小强，11本')
+        new_data  +=data
+
+with open(r'C:\Users\裘鑫炜\Desktop\text.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)