Flow, Conditionals & Arrays - Live Code Solutions

acronomyze.rb

def acronomyze(string)
  # split our sentence on space
  string_split = string.split(" ")

  string_split.map do |word|
    word[0] # first letter of each string
  end

  # same as:
  # letters = []

  # string_split.each do |word|
  #   letters << word[0]
  # end

  # join our array into our string
  string_together = string_split.join

  # make the string uppercase
  string_together.upcase
end

puts acronomyze("Away From Keyboard") == "AFK"
puts acronomyze("Out of Offce") == "OOO"
puts acronomyze("") == ""
puts acronomyze("be right back") == "BRB"

game.rb

# ask for input
# generate random input
# compare the two
# game logic
# announce result

# generate our options
array = ["rock", "paper", "scissors"]

# initialize answer variable
answer = nil

# keep looping until the user picks a valid choice
until array.include?(answer)
  # ask the user to make a choice
  puts "Rock Paper Scissors"
  answer = gets.chomp.downcase
  # tell the user invalid if their answer is not in the array
  puts "Invalid choice" if !array.include?(answer)
end

# generate a hand for the computer
computer_choice = array.sample

def game_logic(answer, computer_choice)
  # checking the possible scenarios and returning the result
  if answer == computer_choice
    return "Draw"
  elsif answer == "rock" && computer_choice == "paper"
    return "Computer wins"
  elsif answer == "rock" && computer_choice == "scissors"
    return "You win!"
  elsif answer == "paper" && computer_choice == "rock"
    return "You win!"
  elsif answer == "paper" && computer_choice == "scissors"
    return "Computer wins!"
  elsif answer == "scissors" && computer_choice == "paper"
    return "You win!!!!"
  elsif answer == "scissors" && computer_choice == "rock"
    return "Computer wins!"
  end
end

# implementing the game logic and printing the result
puts game_logic(answer, computer_choice)