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'
+with open(r"C:\Users\Windows 10\Desktop\book.txt","w",encoding="utf-8") as file:
+    file.write("小兰：12本\n")
+    file.write("小丽：11本\n")
+    file.write("李文：9本\n")    
+    file.write("张伟：16本\n")
+new_date =""
+with open(r"C:\Users\Windows 10\Desktop\book.txt","r",encoding="utf-8") as file:
+
+    for date in file:
+        
+        if "小强：10本" in date:
+            date.replace("小强：10本","小强：11本")
+        if "小兰：12本" in date:
+            date.replace("小兰：12本","小兰：14本")    
+        new_date += date
+with open(r"C:\Users\Windows 10\Desktop\book.txt","w",encoding="utf-8") as file:
+    file.write(new_date)
\ No newline at end of file