From e6a9e610308cdafff36f7e9df695ce6f9b198c09 Mon Sep 17 00:00:00 2001
From: gulugulubing <413153391@qq.com>
Date: Sun, 5 Jan 2025 05:18:05 +0000
Subject: [PATCH] Closes: #1 Updated validations.py python script. Fixed the
 behavior of validate_user function in validations.py.

---
 Course3/Lab4/validations.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Course3/Lab4/validations.py b/Course3/Lab4/validations.py
index b18de65a2e..0633389b78 100644
--- a/Course3/Lab4/validations.py
+++ b/Course3/Lab4/validations.py
@@ -18,7 +18,12 @@ def validate_user(username, minlen):
     # Usernames can't begin with a number
     if username[0].isnumeric():
         return False
+    if not re.match('^[a-z]', username):
+        return False
     return True
 
-
+print(validate_user("blue.kale", 3)) # True
+print(validate_user(".blue.kale", 3)) # Currently True, should be False
+print(validate_user("red_quinoa", 4)) # True
+print(validate_user("_red_quinoa", 4)) # Currently True, should be False