Homework: Array Play

homework_day2

[1] pry(main)> our_class=["Ben","Anna","Shirley","Lauren","Ben","Michelle","Angie","Matt"]
=> ["Ben", "Anna", "Shirley", "Lauren", "Ben", "Michelle", "Angie", "Matt"]

[6] pry(main)> our_class.each do |name|
[6] pry(main)*   if name.length<5
[6] pry(main)*     less_than5 << name
[6] pry(main)*   end
[6] pry(main)* end
=> ["Ben", "Anna", "Shirley", "Lauren", "Ben", "Michelle", "Angie", "Matt"]
[7] pry(main)> less_than5
=> ["Ben", "Anna", "Ben", "Matt"]

[39] pry(main)> sentence = "Ruby is actually kind of fun once you get used to it."
=> "Ruby is actually kind of fun once you get used to it."
[40] pry(main)> sentence_array = sentence.split(" ")
=> ["Ruby",
 "is",
 "actually",
 "kind",
 "of",
 "fun",
 "once",
 "you",
 "get",
 "used",
 "to",
 "it."]
 [42] pry(main)> words4long = []
 => []
 [43] pry(main)> sentence_array.each do |words|
 [43] pry(main)*   if words.length == 4
 [43] pry(main)*     words4long << words
 [43] pry(main)*   end
 [43] pry(main)* end
 => ["Ruby",
  "is",
  "actually",
  "kind",
  "of",
  "fun",
  "once",
  "you",
  "get",
  "used",
  "to",
  "it."]
 [44] pry(main)> words4long
 => ["Ruby", "kind", "once", "used"]
 [45] pry(main)>


[8] pry(main)> movies
=> [{:title=>"Forest Gump", :budget=>55, :stars=>["Tom Hanks"]},
 {:title=>"Star Wars", :budget=>11, :stars=>["Mark Hamill", "Harrison Ford"]},
 {:title=>"Batman Begins",
  :budget=>150,
  :stars=>["Christian Bale", "Liam Neeson", "Michael Caine"]},
 {:title=>"Titanic",
  :budget=>200,
  :stars=>["Kate Winslet", "Leonardo DiCaprio"]},
 {:title=>"Inception", :budget=>160, :stars=>["Leonardo DiCaprio", "JGL"]}]

 [15] pry(main)> less100 =[]
 => []
 [16] pry(main)> movies.each do |hash|
 [16] pry(main)*   if hash[:budget] <100
 [16] pry(main)*     less100 << hash[:title]
 [16] pry(main)*   end
 [16] pry(main)* end
 => [{:title=>"Forest Gump", :budget=>55, :stars=>["Tom Hanks"]},
  {:title=>"Star Wars", :budget=>11, :stars=>["Mark Hamill", "Harrison Ford"]},
  {:title=>"Batman Begins",
   :budget=>150,
   :stars=>["Christian Bale", "Liam Neeson", "Michael Caine"]},
  {:title=>"Titanic",
   :budget=>200,
   :stars=>["Kate Winslet", "Leonardo DiCaprio"]},
  {:title=>"Inception", :budget=>160, :stars=>["Leonardo DiCaprio", "JGL"]}]
 [17] pry(main)> less100
 => ["Forest Gump", "Star Wars"]
 [18] pry(main)>

 [20] pry(main)> star_leo =[]
=> []
[21] pry(main)> movies.each do |role|
[21] pry(main)*   if role[:stars].include?("Leonardo DiCaprio")
[21] pry(main)*     star_leo << role[:title]
[21] pry(main)*   end
[21] pry(main)* end
=> [{:title=>"Forest Gump", :budget=>55, :stars=>["Tom Hanks"]},
 {:title=>"Star Wars", :budget=>11, :stars=>["Mark Hamill", "Harrison Ford"]},
 {:title=>"Batman Begins",
  :budget=>150,
  :stars=>["Christian Bale", "Liam Neeson", "Michael Caine"]},
 {:title=>"Titanic",
  :budget=>200,
  :stars=>["Kate Winslet", "Leonardo DiCaprio"]},
 {:title=>"Inception", :budget=>160, :stars=>["Leonardo DiCaprio", "JGL"]}]
[22] pry(main)> star_leo
=> ["Titanic", "Inception"]
[23] pry(main)>



[49] pry(main)> def four_words(text)
[49] pry(main)*   new_array=[]
[49] pry(main)*   text.split(" ").each do |word|
[49] pry(main)*     if word.length ==4
[49] pry(main)*       new_array << word
[49] pry(main)*     end
[49] pry(main)*   end
[49] pry(main)*   new_array
[49] pry(main)* end
=> :four_words
[50] pry(main)> four_words("This had better work")
=> ["This", "work"]