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'
+addd=""
+with open(r"C:\Users\bellm\Desktop\test.txt","r",encoding="utf-8") as file1:
+    for i in file1:
+        if "小兰：12本" in i:
+            i.replace("小兰：12本","小兰：10本")
+        addd+=i
+        print(addd)
+with open(r"C:\Users\bellm\Desktop\test.txt","w",encoding="utf-8") as file1:
+    file1.write(addd)
\ No newline at end of file