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'
+new_jj=''
+with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='UTF-8') as file1:
+    
+    for book in file1:
+        if 'zfx,12'in book:
+            book=book.replace('zfx,12','zfx,11')
+        if 'xl,11'in book:
+            book=book.replace('xl,11','xl,14')
+        new_jj+=data
+with open(r'C:\Users\EDZ\Desktop\book.txt','w',encoding='UTF-8')as file1:
+    file1.write(new_jj)
+with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='UTF-8')as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file