import os

def listnewdir():
    for i, filename in enumerate(os.listdir(d)):
        print (i+1),filename

def listdir():
    for i, filename in enumerate(os.listdir('/')):
        print (i+1),filename

listdir()

l=os.listdir('/');
c = input("Choose a number: ")
c = c-1
if c > 26:
    print("no such option")
else:
    print l[c]

d=[]
d = l[c]
d = list(d)
d[1:]=list('/')
print d

listnewdir()