Im not sure why the loop doesnt work ? Cam someone help me plz asap

Question

def main():
print("Hello User! This program helps you calculate your BMR and BMI!")
Name,Age,Gender,Weight,Height = inputdetails()
choice = menu()
while choice != 'Q' or choice != 'q':
if choice == '1':
bmicalculator(Name, Age, Weight, Height)
choice = menu()
elif choice == '2':
bmrcalculator(Name, Age, Gender, Weight, Height)
choice = menu()
elif choice == '3':

Answer 1

plz dont place coding here but in playground with a link in quesrion