Reibello AoC 9

#aoc2016_9a.py
input_file_object = open("aoc16_input_9a.txt")
input_as_string = input_file_object.read()
input_file_object.close()

decompressed=[]

def findRightParen(current, left_index):
    for r in range(left_index+4, len(current)):
        if current[r] == ')':
            return r

#(AxB) take next A char and repeat B times

#input_as_string = input_as_string.replace(" ","")
#input_as_string = input_as_string.replace("\\n","")

example0 = 'ADVENT'
example1 = "A(1x5)BC"
example2 = '(3x3)XYZ'

exampleb = '(25x3)(3x3)ABC(2x3)XY(5x2)PQRSTX(18x9)(3x2)TWO(5x7)SEVEN'
'''
x = 0
current = input_as_string

while x < len(current):
    if current[x] == '(':
        y = findRightParen(current,x)
        marker = current[x+1:y]
        marker_split = marker.split('x')
        #print(marker)
        characters = int(marker_split[0])
        repetitions = int(marker_split[1])
        temp = current[y+1:(y+1+characters)] * repetitions
        decompressed.append(temp)
        x+=(len(marker) + characters + 2)
    else:
        decompressed.append(current[x])
        x+=1

'''

def recursiveExpansion(some_string):
    if '(' not in some_string:
        return len(some_string)

    for x in range(len(some_string)):
        if some_string[x] !='(':
            pass
        else:
            y = findRightParen(some_string, x)
            marker = some_string[x+1:y]
            marker_split = marker.split('x')
            #print(x,y,marker,marker_split)
            #print(some_string)
            characters = int(marker_split[0])
            repetitions = int(marker_split[1])
            #print(some_string[:x])
            #print()
            #print(some_string[y+1:y+characters+1])
            #print()
            #print(some_string[y+characters+1:])

            return (recursiveExpansion(some_string[:x]) +
                    (recursiveExpansion(some_string[y+1:y+characters+1]) * repetitions) +
                    recursiveExpansion(some_string[(y+characters+1):]))