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('C:\\Users\\Administrator\\Desktop\\ff.txt','a',encoding = 'utf-8')
+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')
+file1.close()
+with open('C:\\Users\\Administrator\\Desktop\\ff.txt','a',encoding = 'utf-8') as file1:
+    file1.write('小强：10本\n')
+    file1.write('李明：15本\n')
+file1 = open('C:\\Users\\Administrator\\Desktop\\ff.txt','r',encoding = 'utf-8')
+a = file1.read()
+print(a)
+    new
+        if'小强:10本'in data:
+            data = data.replace('小强:10本','小强:10本')
+with open('C:\\Users\\Administrator\\Desktop\\ff.txt','w',encoding = 'utf-8')as file1
+    file1.write(new_data)
\ No newline at end of file