save project

diy.py

+# 写入同学们的捐赠明细：、、、,,,
+file=open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')
+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.close()
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'a',encoding='utf-8')as file:
+    file.write('小强：10本\n')
+new_data=''
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'r',encoding='utf-8')as file:
+    for data in file:
+        if '小兰：12本' in data:
+            data=data.replace('小兰：12本','小兰：13本')
+        print(data)
+with open("C:\\Users\\Administrator\\Desktop\\test.txt",'w',encoding='utf-8')as file:
+    file.write(new_data)
+            
\ No newline at end of file