Generates a list of prime numbers from 2 to N. Done for a friend homework of MIT edx.

gen_primes.py

def primesList(N):
  """
  Generates a list of prime numbers from 2 to N.
  N: an integer
  """
  return [a for a in range(2, N) if not [b for b in range(2,a) if not a%b]]
  
  
def __main__():
  print primesList(100)