Merged interactive code to the main program for an upcoming demo, will be reverted back after all that.

tokenizer.py

@@ -50,7 +50,8 @@ def get_tokens_from_expression_string(expression_string):
 			if len(tokens) > 1:
 				lookBehind = tokens[-1]
 				if lookBehind.type == token.TokenType.exp_end:
-					tokens.append(token.Token("^", token.TokenType.power))
+					tokens.append(token.Token("^", token.TokenType.power))					
+					
 			if (i + 1) < len(expression_string):
 				lookAHead = expression_string[i + 1]
 				if lookAHead == '(':
@@ -85,5 +86,5 @@ def replace_variables(tokens, new_constants):
 	
 def print_token_list(tokens):
 	for tk in tokens:
-		print(tk.value, end = "")
+		print("%s" %(tk.value), end = "")#, token.TokenType.get_token_type_name(tk.type)), end = "")
 	print()