Handle different casings

main.py

@@ -11,7 +11,7 @@ fp.clear()
 while not False:
     answer = fp.replitInput(
         f"Please input the answer to question #{answerCount + 1}, empty answer to submit answer key"
-    )
+    ).upper()
     if not answer:
         break
     answerCount += 1
@@ -25,7 +25,7 @@ while 1:
         for i in range(answerCount):
             answer = fp.replitInput(
                 f"Please input the student's answer to question {i + 1}. ^C at any time to show results immediately."
-            )
+            ).upper()
             if answer == answerKey[i]:
                 right += 1
                 print("    That is correct")