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def createTargetFromTwoNumbers( target=9, array=[7,2,11,15]):
    numbersIndexMap = {}
    for i in range(0, len(array)):

        number = array[i]
        
        if number > target : 
            continue

        try:
        
            if type(numbersIndexMap[target-number]) is int :
                return[ i, numbersIndexMap[target-number] ]
        except:
            print "cause I need to escape the except case"

        numbersIndexMap[number]=i 


def reverseNumber(number = 123):  ## I cheated
    
    if number > 0:
        sign = 1
    else:
        sign = -1

    number = number * sign

    ## thanks to Qoura
   
    reversed=0 
    while number > 0 :
        digit = number%10
        reversed = reversed*10+digit
        number = number/10

    return reversed * sign

print createTargetFromTwoNumbers()
print reverseNumber()

def divide( upper = 10 , lower = 3):


    absUpper = abs(upper)
    absLower = abs(lower)

    counter = 0
    multiplicationResult = 0

    while  multiplicationResult < absUpper :

       counter = counter + 1 
       multiplicationResult = multiply(counter,absLower)

    if  multiplicationResult > absUpper : ## handle if the results is decimal 
        counter = counter -1 

    if  upper < 0 or lower < 0  :  ## handle the -ve sign 
        return invertNumber(counter)

    return counter


def multiply(a = 5 , b = 10 ):

    number = a
    for index in range(1, b): ## index isn't used

        number = number + a

    return number

def invertNumber(number):

    return 0 - number


print divide()