Decimal to Hexadecimal Conversion

def convert(num):
    hexa = []
    while num != 0:
        rem = num % 16
        if rem < 10:
            hexa.append(chr(rem + 48))
        else:
            hexa.append(chr(rem + 55))
        num = num // 16
    hexa.reverse()
    return ''.join(hexa)
decimal = 2545
print("Hexadecimal :", convert(decimal))