Changed order of upper()

game.py

@@ -58,14 +58,14 @@ class Captcha:
                         # anthing below this index should appear green.
 
     def addChar(self, char, font):
-        self.chars.append(char.upper())
+        self.chars.append(char)
         self.fonts.append(font)
 
     def match(self, char):
         if self.charIdx == len(self.chars):
             return True, True
 
-        matches = char.upper() == self.chars[self.charIdx]
+        matches = char.upper() == self.chars[self.charIdx].upper()
         print(f'{char.upper()} == {self.chars[self.charIdx]}')
         if matches:
             self.charIdx += 1