title: Convert list to lower-case
body: <p>I'm trying to get this column of words in input.txt:</p>
  
  <pre><code>Suzuki music
  Chinese music
  Conservatory
  Blue grass
  Rock n roll
  Rhythm
  Composition
  Contra
  Instruments 
  </code></pre>
  
  <p>into this format:</p>
  
  <pre><code>"suzuki music", "chinese music", "conservatory music", "blue grass", "rock n roll", "rhythm"...
  </code></pre>
  
  <p>This code: </p>
  
  <pre><code>with open ('artsplus_stuff.txt', 'r') as f:
      list.append(", ".join(['%s' % row for row in f.read().splitlines()]))
      for item in list:
          item.lower()
  
  print list
  </code></pre>
  
  <p>returns a list, but the first letters are capitalized.</p>
  
  <p>['Suzuki music, Chinese music, Conservatory, Blue grass, Rock n roll, Rhythm, Composition, Contra, Instruments ']</p>
  
  <p>How do I get all the items lower-cased?</p>
  
  <p>Thanks!</p>
  
  <hr>
  
  <p>Answer isn't working on this list:</p>
  
  <pre><code>Chess
  Guitar
  Woodworking
  Gardening
  Car_restoration
  Metalworking
  Marksman
  Camping
  Backpacking_(wilderness)
  Hunting
  Fishing
  Whittling
  Geocaching
  Sports
  Model_Building
  Leatherworking
  Bowling
  Archery
  Hiking
  Connoisseur
  Photography
  Pool_(cue_sports)
  Mountaineering
  Cooking
  Blacksmith
  Aviator
  Magic_(illusion)
  Foreign_language
  Card_game
  Blog
  Paintball
  Fencing
  Brewing
  Amateur_Astronomy
  Genealogy
  Adventure_racing
  Knitting
  Computer_Programming
  Amateur_radio
  Audiophile
  Baking
  Bboying
  Baton_twirling
  Chainmail
  Constructed_language
  Coloring
  Crocheting
  Creative_writing
  Drawing
  Fantasy_Football
  Fishkeeping
  Home_automation
  Home_Movies
  Jewelry
  Knapping
  Lapidary_club
  Locksport
  Musical_Instruments
  Painting
  RC_cars
  Scrapbooking
  Sculpting
  Sewing
  Singing
  Writing
  Air_sports
  Boardsport
  Backpacking
  Bonsai
  Canoeing
  Cycling
  Driving
  Freerunning
  Jogging
  Kayaking
  Motor_sports
  Mountain_biking
  Machining
  Parkour
  Rock_climbing
  Running
  Sailing
  Sand_castle
  Sculling
  Rowing_(sport)
  Human_swimming
  Tai_Chi
  Vehicle_restoration
  Water_sports
  Antiques
  Coin_collecting
  Element_collecting
  Stamp_collecting
  Vintage_car
  Vintage_clothing
  Record_Collecting
  Antiquities
  Car_audio
  Fossil_collecting
  Insect_collecting
  Leaf
  Metal_detectorist
  Mineral_collecting
  Petal
  Rock_(geology)
  Seaglass
  Seashell
  Boxing
  Combination_puzzle
  Contract_Bridge
  Cue_sports
  Darts
  Table_football
  Team_Handball
  Airsoft
  American_football
  Association_football
  Auto_racing
  Badminton
  Climbing
  Cricket
  Disc_golf
  Figure_skating
  Footbag
  Kart_racing
  Plank_(exercise)
  Racquetball
  Rugby_league
  Table_tennis
  Microscopy
  Reading_(process)
  Shortwave_listening
  Videophile
  Aircraft_spotting
  Amateur_geology
  Birdwatching
  Bus_spotting
  Gongoozler
  Meteorology
  Travel
  Board_game
  Airbrush
  Advocacy
  Acting
  model_aircraft
  Pets
  Aquarium
  Astrology
  Astronomy
  Backgammon
  Base_Jumping
  Sun_tanning
  Beachcombing
  Beadwork
  Beatboxing
  Campanology
  Belly_dance
  cycle_Polo
  Bicycle_motocross
  Boating
  Boomerang
  Volunteering
  Carpentry
  Butterfly_Watching
  Button_Collecting
  Cake_Decorating
  Calligraphy
  Candle
  Cartoonist
  Casino
  Cave_Diving
  Ceramic
  Church
  Cigar_Smoking
  Cloud_Watching
  Antique
  Hat
  album
  Gramophone_record
  trading_card
  Musical_composition
  Worldbuilding
  Cosplay
  Craft
  Cross-Stitch
  Crossword_Puzzle
  Diecast
  Digital_Photography
  Dodgeball
  Doll
  Dominoes
  Dumpster_Diving
  restaurant
  education
  Electronics
  Embroidery
  Entertainment
  physical_exercise
  Falconry
  List_of_fastest_production_cars
  Felt
  Poi_(performance_art)
  Floorball
  Floristry
  Fly_Tying
  off-roading
  ultimate_(sport)
  Game
  Garage_sale
  Ghost_Hunting
  Glowsticking
  Gunsmith
  Gyotaku
  Handwriting
  Hang_gliding
  Herping
  HomeBrewing
  Home_Repair
  Home_Theater
  Hot_air_ballooning
  Hula_Hoop
  Ice_skating
  Impersonator
  Internet
  Invention
  Jewellery
  Jigsaw_Puzzle
  Juggling
  diary
  skipping_rope
  amateur_Chemistry
  Kite
  snowkiting
  knot
  Laser
  Lawn_Dart
  poker
  Leather_crafting
  Lego
  Macramé
  Model_Car
  Matchstick_Model
  Meditation
  Metal_Detector
  Rail_transport_modelling
  Model_Rocket
  ship_model
  scale_model
  Motorcycle
  Needlepoint
  Origami
  Papermaking
  Papier-mâché
  Parachuting
  Paragliding
  Pinochle
  Pipe_Smoking
  Pottery
  Powerbocking
  Demonstration_(people)
  Puppetry
  Pyrotechnics
  Quilting
  pigeon_racing
  Rafting
  Railfan
  Rapping
  remote_control
  Relaxation
  Renaissance_Fair
  Renting_movies
  Robotics
  Rock_Balancing
  Role-playing
  sand_art_and_play
  Scuba_Diving
  Self-Defense
  Skeet_Shooting
  Skiing
  Shopping
  choir
  Skateboarding
  Sketch_(drawing)
  SlackLining
  Sleep
  Slingshot
  Slot_Car_Racing
  Snorkeling
  Soap
  Rubik's_Cube
  caving
  Family
  Storm_Chasing
  Storytelling
  String_Figure
  Surf_Fishing
  Survival_skills
  Tatting
  Taxidermy
  Tea_Tasting
  Tesla_Coil
  Tetris
  Textile
  stone_Rubbing
  Antique_tool
  Toy
  Treasure_Hunting
  Trekkie
  tutoring
  Urban_Exploration
  Video_Game
  Violin
  Volunteer
  Walking
  Weightlifting
  Windsurfing
  WineMaking
  Wrestling
  Zip-line
  traveling
  </code></pre>
  
  <p>error:     list.append(", ".join(['"%s"' % row for row in f.read().splitlines()]))
  TypeError: descriptor 'append' requires a 'list' object but received a 'str'
  logout</p>