Sieve of Eratosthenes in python

def seive_of_eratosthenes(n):
    is_prime = [True for _ in range(n+1)]
    is_prime[0], is_prime[1] = False, False

    for i in range(2, int(n**0.5)+1):
        for j in range(2*i, n+1, i):
            is_prime[j] = False

    return is_prime


if __name__ == "__main__":
    n = int(input("Enter the number upto which : "))
    li = seive_of_eratosthenes(n)
    for i in range(n+1):
        if li[i]:
            print(i, end=" ")