Nursery rhymes

'''
Nursery rhyme
When called, displays a nursery rhyme
These are stored in txt files in sub-folder "rhymes"
'''
from os import listdir
from sys import exit

def show_rhyme():
    try:
        files=listdir("rhymes")         #sub folder of programs folder
    except:
        print("'rhymes' folder/files not found")
        sys.exit(0)

    for i, val in enumerate(files):
        print(i+1,val[0:-4])            #print filenames(minus .txt suffix) with an index
    while True:
        file=input("Pick a rhyme (1 to 5): ")   #pick one
        if file=="q":                           #give up
            sys.exit(0)
        elif int(file)>=1 and int(file)<=5:     #check if valid
            break
        else:
            print("no such rhyme, try again (or q to quit)")    #go back around

    try:
        with open("rhymes//"+files[int(file)-1], 'r') as fh:    #open the correct file
            content=fh.readlines()                              #read in the lines
    except:
        print("Error reading file")
        sys.exit(0)

    print()
    for lines in content:
        print(lines.strip())                                    #print rhyme

#test
show_rhyme()