While loop with "If" in Python

 #while loop with if

test=0

size=50

while(test<size):

    test+=1

    print(test)

    if(test>49):

        test-=1

#print(test)

#while with else

n=25

while n<0:

  n-=1

  print(n)

  if n==2:

    break

else:

  print("loop done") 

vowels="aeiouAEIOU"

#INFINITE LooP

while True:

  v=input("enter vowel:")

  #condition in middle

  if v in vowels:

    break

  print("not vowel")

  print("thank you") 

#dice program

from random import randint

print("Give lower limit of dice")

a = int(input())

print("Give upper limit of dice")

b = int(input())

print("type q to Quit or any other key/enter to continue")

while True:

print(">>> "+str(randint(a,b))) #randint is generating random number between a and b

if input() == 'q': #if 'q' is entered then come out of loop

break