Answers for "Python program to convert the given binary number to decimal using a built-in function"

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python convert a binary number to a decimal number

def binToDec(num):

    temp = str(num)
    arr = []
    final = []

    for i in temp:
        arr.append(i)

    arrNums = [str(x) for x in arr]
    arrNums.reverse()

    j = 0
    for i in range(0, len(arrNums)):
        factor = arrNums[i]*(2**j)
        j += 1
        final.append(factor)

    decimal = 0
    for i in range(0, len(final)):
        decimal += final[i]

    return decimal

if __name__ == "__main__":
	num = 101000
    print(binToDec(num)) # Expected Output : 40
Posted by: Guest on July-07-2021

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