acronym.rb

def acronym(sentence)
  # we split the sentence into words
  # grab first letter of each word
  # join the first letters
  final = []

  array_of_words = sentence.split(' ')
  array_of_words.each do |word|
    final << word[0].upcase
    # p final
  end

  return final.join("")
end

puts acronym("Don't repeat yourself") == "DRY"
puts acronym("") == ""
puts acronym("working from home") == "WFH"

acronym_map.rb

def acronym(sentence)
  array_of_words = sentence.split(' ')

  final = array_of_words.map do |word|
    word[0].upcase
  end
  # p array_of_words

  final.join("")
end

puts acronym("Don't repeat yourself") == "DRY"
puts acronym("") == ""
puts acronym("working from home") == "WFH"

improved_rock_paper_scissors.rb

def rock_paper_scissors
  choices = %w(rock paper scissors)
  computer_choice = choices.sample

  puts "{•̃_•̃}: #{computer_choice}"
  print "(｡◕‿‿◕｡): "
  player_choice = gets.chomp

  return "You had one job...." unless choices.include?(player_choice)

  if computer_choice == player_choice
    return "========== DRAW ========="
  elsif choices[choices.find_index(computer_choice) - 1] == player_choice
    return "AI is taking your job soon... 😒"
  else
    return "Sarah Connor is still kicking HARD! 🤘🏻😎"
  end
end

puts rock_paper_scissors()

rock_paper_scissors.rb

HANDS = %w(rock paper scissors)

# The computer picks a hand
computer_hand = HANDS.sample

# The user picks a hand
player_hand = nil
loop do
  puts "Please choose your hand (#{HANDS.join(", ")})"
  print "> "
  player_hand = gets.chomp

  if HANDS.include?(player_hand)
    break
  else
    puts "Wrong choice..."
  end
end

if computer_hand == player_hand
  puts "You both chose #{computer_hand}, draw."
else
  if computer_hand == 'rock'
    player_wins = player_hand == 'paper'
  elsif computer_hand == 'paper'
    player_wins = player_hand == 'scissors'
  elsif computer_hand == 'scissors'
    player_wins = player_hand == 'rock'
  end

  if player_wins
    puts "The computer chose #{computer_hand}, you win!"
  else
    puts "The computer chose #{computer_hand}, computer wins!"
  end
end