Python Best way to rerun this snippet of code:

[paracelx]

New to python3 working on a fantasy character generator, tyring to find the best way to rerun the snippet of code if the wrong letters are entered in input.
Thanks for any help you can give me.

#Code to exit or reginirate script
quittogen = input("""\nDo you want to quit or generate another creature?
 Type q to quit or g to generate a new creature.""")

if str(quittogen) == "q" or str(quittogen) == "Q":
    input("Thank you for using the Fantasy Creature Generator.")
elif str(quittogen) == "g" or str(quittogen) == "G":
    print("Generating New Creature\n")
else:
    if str(quittogen) != "q" or str(quittogen) != "g" or \
    str(quittogen) != "Q" or str(quittogen) != "Q":
        quittogen = input("""\nDo you want to quit or generate another
 creature? Type q to quit or g to generate a new creature.""")
 #Need a else code here to repeat the whole upper code

 

[menator01]

while True:
    print('q to quit or g to generate another')
    myinput = input('>> ')

    if myinput.lower() in ['q', 'quit'] :
        print('Thanks for playing')
        break
    elif myinput.lower() in ['g', 'generate']:
        print('Generating new character')
    else:
        print('That is not a valide character.\nPlease try again.')