import re
import random

def inp(f,msg1,msg2):
  a=input(msg1)
  if f(a):
     return a
  else:
     print(msg2)
     return inp(f,msg1,msg2)

line=lambda:print("~~~~~~~~~~~~~~~~~~~~")
number=r"(0|([1-9]+[0-9]*))"
isnum=lambda x:re.search(number,x)

def gen_list():
  line()
  num=inp(isnum,"Please, enter number: ","Please, try again:<")
  print([random.randint(0,100) for i in range(0,int(num))])
  line()

def final():
  gen_list()
  a=input("Exit?[0 - no,1 - yes]: ")
  if a=="1":
    print("Thank you for using! =3")
  else:
    final()