dataframe to dict

import os
import pandas as pd

# set path to files
path = 'C:/Desktop/files'

# site code list
site_codes = ['COH','NCC','HCC','HCI','SIM','JPM','MCC','OSU','RPC','CNJ','SCC','UCC','MAR','UVA','USC','WCI']

# empty list for dict keys
df_names = []

# list of filenames for dict values
files = [os.path.join(path, f) for f in os.listdir(path)]

# for each filename in files list, extract the site_code and append to df_names list
for filename in files:
    if any(sub in filename for sub in site_codes):
        site = [sub_str for sub_str in site_codes if(sub_str in filename)]
        df_names.append(site)

# create dict from lists
file_dict = dict(zip(df_names, files))