filename = input("Please enter a filename:")
with open(filename, "r") as myfile:
    data = myfile.readlines()
for i in range(len(data)):
    data[i] = data[i].rstrip("\n")

with open("e:/dna14.txt", "r") as myfile:
    data = myfile.readlines()
    myfile.close()
    
for i in range(0, len(data), 1):
    data[i] = data[i].rstrip("/n")

column_number = input("Please enter a coumn number: ")
column_number = int(column_number)

ch1 = (data[1])[column_number]
Acount = 0

map = {}
dna = [ "A", "C", "G", "T"]

with open("matrix.txt", "r") as myfile:
    line = myfile.readline()
    mylist = line.split()
    map{"AA"} = mylist[0]
    map{"AC"} = mylist[1]
    map{"AG"} = mylist[2]
    map{"AT"} = mylist[3]
    line = myfile.readline()
    mylist