Python: Replace more lists with generators (#23116)

* Replace lists with generators v2

* Replace set with {}

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

* Replace more set() with {}

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: 6951b3271d

scripts/code_stats.py

@@ -4,7 +4,7 @@ import ast
 import stat
 import subprocess
 
-fouts = set([x.decode('utf-8') for x in subprocess.check_output(['git', 'ls-files']).strip().split()])
+fouts = {x.decode('utf-8') for x in subprocess.check_output(['git', 'ls-files']).strip().split()}
 
 pyf = []
 for d in ["cereal", "common", "scripts", "selfdrive", "tools"]:

scripts/count_cars.py

@@ -10,6 +10,6 @@ with open(os.path.join(BASEDIR, "docs/CARS.md")) as f:
   cars = [l for l in lines if l.strip().startswith("|") and l.strip().endswith("|") and
                               "Make" not in l and any(c.isalpha() for c in l)]
 
-  make_count = Counter([l.split('|')[1].split('|')[0].strip() for l in cars])
+  make_count = Counter(l.split('|')[1].split('|')[0].strip() for l in cars)
   print("\n", "*"*20, len(cars), "total", "*"*20, "\n")
   pprint(make_count)