Ejercicio01:

Ejercicio02:

import threading
import time
import random

def escribePunto():
  for i in range(100):
    print (".", end="",flush=True)
     #  time.sleep(0.1)
    random.uniform(0.1, 0.2)
  return

print ("INICIO")
t = threading.Thread(target=escribePunto)
t.start()

for i in range(50):
  print ("-", end="",flush=True)
  #  time.sleep(0.2)
  random.uniform(0.2, 0.3)