save project

Untitled-1.py.py

-file1=open(r'C:\新建文件夹\ book.txt','w',encoding='utf-8')
-file1.write("'小兰：12本'\n'小丽：11本'\n'李文：9本'\n'张伟：16本'")
-file1.close
-file1=open(r'C:\新建文件夹\ book.txt','a',encoding='utf-8')
+
+with open(r'C:\新建文件夹\ book.txt','a',encoding='utf-8') as file：
+    file.write('小强：12本\n')
\ No newline at end of file
-file1.write("\n'小兰：12本'\n'小丽：11本'\n'李文：9本'\n'张伟：16本'")
-file1.close
\ No newline at end of file