Python: Binary To Decimal Conversion

Question

Possible Duplicate:
Convert binary string to int

How would I convert this binary value '101011111' to decimal form in Python?

The function converts binary numbers into decimal numbers.

Inputs: string b: a binary number

Outputs: int d: a decimal representation of b

def Binary_to_Decimal(b):
    #what needs to be filled in
    return d

Solution

You can use int casting which allows the base specification.

int(b, 2)  # Convert a binary string to a decimal int.