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(r"C:\Users\Acer\Desktop\test.txt","a",encoding="utf-8")
+file1=open(r"C:\Users\Acer\Desktop\test.txt","r",encoding="utf-8")
+a=file1.read()
+print(a)
+file1.close()
 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(r"C:\Users\Acer\Desktop\test.txt","a",encoding="utf-8") as file:
-   file.write("lijiayu：160本\n")
\ No newline at end of file
+with open(r"C:\Users\Acer\Desktop\test.txt","r",encoding="utf-8") as file:
+    for date in file1:
+        if:"小丽：11本\n"in date：
+            print("小丽：11本\n")
+        if:"小兰：12本\n"in date：
+            print("小兰：12本\n")
+    file1as.write("lijiayu：160本\n")