Looping to read data in database

[CEC68]

I am hoping someone could help me read in a master directory file which tells me what .csv to read through and save in memory and then move to next file to read until eof()

first .csv has names
CL
NG
GC

those names tell me where in my c:\Data to get the file called CL etc etc.

I have imported

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
import scipy as sp

pd.read_csv('c:/QlData/Continuous/Daily/CL.csv')

so this i guess is reading in the file named CL but once i review the huge amount of data in CL I want to then use a for loop to go to next line in master directory and read in NG and so on.

I just cannot find anything online to help me do this besides static reading process like I have above?
Any help would be appreciated