“Fermat's last Python script”

fermat.py

def fermat(n):
    """Returns triplets of the form x^n + y^n = z^n.
    Warning! Untested with n > 2."""
    from itertools import count
    for x in count(1):
     for y in range(1, x+1):
      for z in range(1, x**n+y**n + 1):
       if x**n + y**n == z**n:
        yield x, y, z
changed September 16, 2007