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\\XMBC\\Desktop\\1.txt","r",encoding='utf-8')as f:
+    s=f.read()
+    if "小强：12本" in s:
+        s.replace("小强：12本","小强：11本" )
+
+with open(r"C:\\Users\\XMBC\\Desktop\\1.txt","w",encoding='utf-8')as f:
+    f.write(s)
+    
\ No newline at end of file