Hi I keep getting this error , running it on visual studio code: "lex" is not defined Pylance(reportundefinedvariable) for line : self.lexer = lex.lex(), please any help that would be great # Define the parser class Parser: def __init__(self): self.symbols = {} def parse(self, input_string): self.lexer = lex.lex() self.lexer.input(input_string) self.current_token = None self.peek_token = None self.next_token() self.next_token() self.program() self.lexer = None.

1. Hi I keep getting this error , running it on visual studio code: "lex" is not defined
Pylance(reportundefinedvariable)
for line : self.lexer = lex.lex(), please any help that would be great
# Define the parser
class Parser:
def __init__(self):
self.symbols = {}
def parse(self, input_string):
self.lexer = lex.lex()
self.lexer.input(input_string)
self.current_token = None
self.peek_token = None
self.next_token()
self.next_token()
self.program()
self.lexer = None