xiez

# lisp expression LL(1) grammar:
# expr -> "(" operator operands ")"
# operator -> "string"|expr
# operands -> operand*
# operand -> "int"|"float"|"string"|expr

#################### lexical analyzer
def tokenize(lines):
    print(f'lexical analyze lines: {lines}')
    def _tokenize(line):

xiez

import time
import urllib2
import json
import oauth2
url1 = "https://api.twitter.com/1.1/search/tweets.json"
params = {
	"oauth_version": "1.0",
	"oauth_nonce": oauth2.generate_nonce(),
	"oauth_timestamp": int(time.time())
}