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 = ''# 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'
 file = open("C:\\Users\\wzj\\Desktop\\test.txt",'w',encoding ='utf-8')
 file = open("C:\\Users\\wzj\\Desktop\\test.txt",'w',encoding ='utf-8')
 file.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
 file.write("小兰：12本\n小丽：11本\n李文：9本\n张伟：16本")
 file.close()
 file.close()
 
 
 with open("C:\\Users\\wzj\\Desktop\\test.txt",'r',encoding ='utf-8') as file:
 with open("C:\\Users\\wzj\\Desktop\\test.txt",'r',encoding ='utf-8') as file:
-    a = file.read()
-    print(a)
-    if "小强：11本" in file:
-        print("T")
-    else:
-        print("F")
+    for data in file:
+        if "小丽" in data:
+            data = data.replace('小丽','小白')
+        new += data
+print(new)
+with open("C:\\Users\\wzj\\Desktop\\test.txt",'w',encoding ='utf-8') as file:
+    file.write(new)