if self.current_char == '+': self.advance() return Token(PLUS, '+')
# Token types INTEGER, PLUS, MINUS, EOF = 'INTEGER', 'PLUS', 'MINUS', 'EOF' compiler design book of aa puntambekar pdf 71 2021
def __repr__(self): return f'Token({self.type}, {self.value})' if self
Here is sample code for lexical analyzer '+') # Token types INTEGER