added not instruction and escape sequences

tokenizer.py

@@ -387,6 +387,35 @@ def tokenize(input_string: str):
 					
 				current_char = input_string[pos]
 
+				if current_char == "\\":
+					escape = ""
+					pos += 1
+					column += 1
+					while pos <= len(input_string)-1:
+						escape += input_string[pos]
+						print(escape)
+
+						valid_escapes = ['"', 'n', 't', 'a', 'r']
+
+						if escape == '"':
+							current_token += 'aaaaaaa'
+						elif escape == "n":
+							current_token += '\n'
+						elif escape == "t":
+							current_token += '\t'
+						elif escape == "a":
+							current_token += "\a"
+						elif escape == "r":
+							current_token += "\r"
+
+						if escape in valid_escapes:
+							break
+
+						pos += 1
+						column += 1
+
+
+
 			tokens.append(Token(
 				TokenType.STRING,
 				value=current_token