def has_2flush(flop): return num_suits(flop) == 2
def is_flush(hand): return num_suits(hand) == 1
def is_rainbow(flop): return num_suits(flop) == 3
def is_monotone(flop): return num_suits(flop) == 1
def is_suited(holecards): return num_suits(holecards) == 1