def lychrel( n, limit=50 ):
"""
>>> from euler55 import lychrel
>>> lychrel(10677)
True
>>> lychrel(10677,limit=53)
False
>>> lychrel(4994)
True
"""
n= reverseAndAdd( n )
for count in range(limit):
if palindrome(n): return False
n= reverseAndAdd( n )
return True
def pal_2_10():
for n in range(1000000):
if palindrome( n, 2 ) and palindrome( n, 10 ):
yield n