Python
# Program to count prime numbers in a list
def is_prime(n: int) -> bool:
if n < 2:
return False
for i in range(2, int(n ** 0.5) + 1):
if n % i == 0:
return False
return True
numbers = list(map(int, input("Enter integers separated by space: ").split()))
count = sum(1 for x in numbers if is_prime(x))
print("Number of primes in list:", count)Output
Enter integers separated by space: 2 3 4 5 6 Number of primes in list: 3
We define a helper is_prime and count how many list elements satisfy it.