import glob
import os

def file_len(fname):
    with open(fname) as f:
        for i, l in enumerate(f, start = 1):
            pass
    return i

files = glob.glob("/home/seb/Learning/*.txt")
print files

length = []

for file in files:
    file_len(file)
    length.append(i)

print length

length.append(i)

for file in files:
    lines = file_len(file)
    length.append(lines)

flength = file_len(file)
length.append(flength)