Get Largest Odd Number - function

def GetLargestOddNumber():
    iter = 10
    z = 0
    while(iter > 0):
        number = '4'
        number = raw_input('Enter next number: ')
        num = int(number)
        if num % 2 != 0:
            if num > z:
                z = num
        iter -= 1
    return z


if __name__ == "__main__":
# finger exercise p20
    #number = input('Enter next number: ')
    z = GetLargestOddNumber()
    if z > 0:
        print "The Number is: ", z
    else:
        print "There was no odd number !"

    print "\n\n",  "********* Finished *********\n\n"