Exercises Exercise 3. (Counting Primes) Write a program prime_counter.py that takes an integer N as commad-lne argument and writes the number of primes less than or equal to N. Recall that a number i is prime if it is not divisible by any number j sepythnse.counter . Py 1000 import stdio import sys # Get N from command line, as an int. # Define primes to store the result (number of primes