RPG Dice Roller | Python Fiddle

# Automatic Dice Roller
# Written by Doug Blair

from random import randrange

print ("*Automatic Dice Roller*")
print '\n'
diceAmountType = raw_input("Enter dice amount and type as XdX: ")
print (diceAmountType)
diceModifier = raw_input("Enter dice modifier: ")
print (diceModifier)
print '\n'
diceAmount = diceAmountType.split("d", 1)[0]
diceType = int(diceAmountType.split("d", 2)[1])
total = 0
rollSum = 0
modifierSum = 0
natOnes = 0
natTwenties = 0

for x in range(1, (int(diceAmount) + 1)):
    roll = randrange(1, (diceType) + 1)
    totalRoll = (roll + int(diceModifier))
    if diceType == 20:
    	if roll == 1:
    		natOnes += 1
        	print("Roll " + str(x) + ": " + "Natural 1 :(" + " (" + str(roll) + " + " + str(diceModifier) + ")")
    	elif roll == 20:
    		natTwenties += 1
        	print("Roll " + str(x) + ": " + "Natural 20! :)" + " (" + str(roll) + " + " + str(diceModifier) + ")")
    	else:
    		print("Roll " + str(x) + ": " + str(totalRoll) + " (" + str(roll) + " + " + str(diceModifier) + ")")
    else:
    	print("Roll " + str(x) + ": " + str(totalRoll) + " (" + str(roll) + " + " + str(diceModifier) + ")")
    rollSum = rollSum + roll
    modifierSum = modifierSum + int(diceModifier)
    total = total + totalRoll
print '\n'
print ("Total: "+ str(total) + " (" + str(rollSum) + " + " + str(modifierSum) + ")")
if diceType == 20:
	print ("Natural 1's: " + str(natOnes))
	print ("Natural 20's: " + str(natTwenties))

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