why join function is not working

Question

import random
import re

msg=input("Enter Your Message : ")

encryption_key=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","1", "2","3" ,"4", "5" ,"6", "7", "8", "9", "10"]

new_encryption_key="".join(encryption_key)

if len(msg)<=20:
print(random.choices(new_encryption_key ,k=10))
else:
print("access granted")

print()

print(msg)
https://code.sololearn.com/ceni8XgqEEc5/?ref=app

Answer 1

Because random.choices returns an array, you have to join that returned value:
print(" ".join(random.choices(new_encryption_key, k=10)))

Answer 2

Yeah it basically joins with spaces. Also you can just give it a list (no need for new_encryption_key)