pocker_hand.py

# card mapped to digits from 1 to 13
#  A,2,3,4,5,6,7,8,9,10,J, Q,  K  
# [1 2 3 4 5 6 7 8 9 10 11 12 13]

# [1,2,2,4]

# [k, 2, k, 2, 2] # <<<<<<<<<

# [13, 2,13,2, 2]

# 13 -> 2
# 2 -> 3

def hand_type(hand):
  
  types = [ 0 for x in range(14) ] # [0,0,0,0,0000]
  
  result = -1

  type_count = []
  for card in hand:
    types[card] += 1

  for count in types:
  	if count != 0:
  		type_count.append(count) # put all non zero count in a list for easy check

    
  # if any card count to 4 we have 4 of kind
  if 4 in type_count :
  	result = 7

  elif 3 in type_count: # we can have at least "3 of kind"

  	if 2 in type_count:
  		result = 6 # "Full house"
  	else:
  		result = 5 # "3 of kind"

  elif 2 in type_count: # we can have at least 1 pair 
    if len(type_count) == 4:
    	result = 1 # we have "1 pair"
    else:
    	result = 2 # we have "2 pair" 

  else: 
  	result = 0 # we have "high card"

  return result