asdfasdf

def open_file(filename): #opens a txt
    file_object = open(filename, "r")
    return file_object

def read_file(file_object): #reads a txt
    for line in file_object:
        line = line.strip()
        line = line.rstrip(",")
        start = line[0]
        end = line[-1]
        first = line[1:-1:2]
        second = line[2:-1:2]
        output=""
        for i in range(len(second)):
            output += second[i]
            output += first[i]

        print(start+output+end, end = " ")

def main():
    filename = input("Enter name of file:")
    file_object = open_file(filename)
    read_file(file_object)

main()