arkan-leki

from pytube import YouTube, Playlist


class downloader:
    @staticmethod
    def start_downloader(url, video_type, fielext, place, audio):
        try:
            yt = YouTube(url)
            print(yt.streams.all())
            if not audio:

arkan-leki

arr = "abcdefghijklmnopqrstuwxyz"

key = 3
plain = "hello world 2day"
cyper = "";
for c in plain:
    if c.isalpha() : cyper += arr[(arr.index(c)+3)%26]
    else: cyper += c

print(cyper)