style: Lint files with pylint

Author: Mukundan314

codeforces/api.py

@@ -16,7 +16,7 @@
 CODEFORCES_API_URL = "https://codeforces.com/api/"
 
 
-def generate_api_sig(method, args, secret):
+def _generate_api_sig(method, args, secret):
     rand = "%06d" % random.randint(0, 999999)
     url_args = urllib.parse.urlencode(sorted(args.items()))
     return rand + hashlib.sha512(
@@ -51,7 +51,7 @@ def call(method, key=None, secret=None, **kwargs):
     if (key is not None) and (secret is not None):
         args['time'] = int(time.time())
         args['apiKey'] = key
-        args['apiSig'] = generate_api_sig(method, args, secret)
+        args['apiSig'] = _generate_api_sig(method, args, secret)
 
     url_args = urllib.parse.urlencode(args)
     url = os.path.join(CODEFORCES_API_URL, "%s?%s" % (method, url_args))

codeforces/problem.py

@@ -49,9 +49,9 @@ def get_info(contest_id, index, lang='en'):
     time_limit = soup.find_all("div", class_="time-limit")[0].text[19:]
     memory_limit = soup.find_all("div", class_="memory-limit")[0].text[21:]
 
-    i = [i.pre.text.lstrip('\n') for i in soup.find_all("div", class_="input")]
-    o = [i.pre.text.lstrip('\n') for i in soup.find_all("div", class_="output")]
+    inputs = [i.pre.text.lstrip('\n') for i in soup.find_all("div", class_="input")]
+    outputs = [i.pre.text.lstrip('\n') for i in soup.find_all("div", class_="output")]
 
-    sample_tests = zip(i, o)
+    sample_tests = zip(inputs, outputs)
 
     return (title, time_limit, memory_limit, sample_tests)