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\\BBTC\\Desktop\\book.txt","w",encoding="utf-8")
+
+# file1.write("小兰:12\n")
+# file1.write("小丽:11\n")
+# file1.write("李文:9\n")
+# file1.write("张伟:16\n")
+# file1.close()
+new_data=""
+with open(r"C:\\Users\\BBTC\\Desktop\\book.txt","r",encoding="utf-8")as file:
+    for data in file:
+        if "小兰:12" in data:
+            data=data.replace("小兰：12本","小兰：14本")
+        if "小丽：11本" in data:
+            data=data.replace("小丽：11本","小丽：14本")
+        new_data+=data        
+with open(r"C:\\Users\\BBTC\\Desktop\\book.txt","r",encoding="utf-8")as file:
+    file.write(new_data)
+with open(r"C:\\Users\\BBTC\\Desktop\\book.txt","r",encoding="utf-8")as file:
+    a=file.read()
+    print(a)    
+
+