python converting binary to denary code example

Example 1: python binary string to int

>>> int('11111111', 2)
255

Example 2: convert binary string to base 10 value in python

def getBaseTen(binaryVal):
	count = 0

	#reverse the string
    binaryVal = binaryVal[::-1]

    #go through the list and get the value of all 1's
	for i in range(0, len(binaryVal)):
    	if(binaryVal[i] == "1"):
            count += 2**i
    
    return count