Write a function to get a colon of a tuple.
from copy import deepcopy
def colon_tuplex(tuplex,m,n):
  tuplex_colon = deepcopy(tuplex)
  tuplex_colon[m].append(n)
  return tuplex_colon
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to get a colon of a tuple.
from copy import deepcopy
def colon_tuplex(tuplex,m,n):
  tuplex_colon = deepcopy(tuplex)
  tuplex_colon[m].append(n)
  return tuplex_colon[/INST]assert colon_tuplex(("HELLO", 5, [], True) ,2,50)==("HELLO", 5, [50], True) 
assert colon_tuplex(("HELLO", 5, [], True) ,2,100)==(("HELLO", 5, [100],True))
assert colon_tuplex(("HELLO", 5, [], True) ,2,500)==("HELLO", 5, [500], True)</s>