save project

111.py

+fileq = open(r"C:\Users\Windows 10\Desktop\新建文本文档.txt","w",encoding="utf-8")
+fileq.write("小兰:12本")
+fileq.write("小红:12本")
+fileq.write("小包:12本")
+fileq.write("小梅:12本")
+fileq.close()
\ No newline at end of file

Untitled-1.py.py

-with open(r"C:\Users\Windows 10\Desktop\book.txt",'w',encoding='utf-8')as a:
-    a.write("小兰：12本\n小强：10本\n小明：8本\n小红：9本")
-new_a=''
-with open(r"C:\Users\Windows 10\Desktop\book.txt",'r',encoding='utf-8')as a:
-    for i in a:
-        if "小强：10本" in i:
-            i=i.replace("小强：10本","小强：11本")
-        new_a+=i
-with open(r"C:\Users\Windows 10\Desktop\book.txt",'w',encoding='utf-8')as a:
-    a.write(new_a)
\ No newline at end of file