Updated validations.py python script.

Course3/Lab4/validations.py

@@ -18,7 +18,13 @@ def validate_user(username, minlen):
     # Usernames can't begin with a number
     if username[0].isnumeric():
         return False
-    return True
-
+    if  re.match('^[A-Za-z]',username):
+        return True
+    else:
+        return False
 
 
+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