gwurrw, guuu, bgguuu, …
bwwwggur …
buwwugww …
wbrbwgub …
import re
with open("input.txt", 'r', encoding='utf-8') as f:
lines = [line[:-1] for line in f.readlines()]
pattern = "^(%s)*$" % lines[0].replace(", ", "|")
nb1 = sum( 1
for line in lines[2:]
if re.match(pattern, line) )
print("Réponse partie 1:", nb1)