Answer:
in what language?
python
```
while (1):
x = eval(input("What is your age?"))
if x>=20:
print("You can vote")
else :
print("You can't vote")
```
Explanation:
you get the user input for his age then you do an if statement to check if it is less or greater than 20 and print yes id it is =20 or bigger than 20 else you print no
