Baseconvert

def baseconvert(num, base):
    '''converts an integer "num" in base 10 to given base up to 36'''
    letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
    result = ''

    if num == 0:
        return 0
    elif num < 0:
        isNeg = True
    else:
        isNeg = False

    while num > 0:
        if num % base <= 9:
            result = str(num % base) + result
        else:
            result = str(letters[(num % base) - 10]) + result
        num = num / base
    if isNeg:
        result = '-' + result
    return result


number = int(raw_input('Enter a number: '))
base = int(raw_input('Enter the base: '))
print baseconvert(number, base)