What is the problem in this code?

Question

age = int(input())
If 0 <= age <= 11:
print ("Child")
elif 12 <= age <=17:
print("Teen")
elif 18 <= age <=64:
print ("Adult")

Answer 1

The Capital I in If is wrong .
Use if (small I)
Remaining all works fine

Answer 2

Thank you Jayakrishna.
Its esy😉😉😉