current_users = ["carl", "sasha", "lida", "svetlana", "kamilla", "alya"]
current_users_lower = current_users[:]
current_users_lower.lower()
new_users = ["adelina", "vanya", "amal", "katya", "KAmilla", "alya"]
for new in new_users:
if new.lower() in current_users_lower:
print(f"{new} Name already taken, please select another")
else:
print("Saved successfully")