Ruby while loop example

while.rb

#original

# DEF ask question
 
#   puts question
#   reply = gets.chomp.downcase
	
#   WHILE (reply != 'yes' OR reply != 'no')
#     puts 'Please answer with a yes or a no.'
#     reply = gets.chomp.downcase
#   END
 
#   IF (reply == 'yes')
#     wetsBed = TRUE
#   ELSE
#     wetsBed = FALSE
#   END
	
#   wetsBed	
# END

# working examples:

# using and with while

def ask(question)
 
  puts question
  reply = gets.chomp.downcase
	
  while reply != 'yes' && reply != 'no'
    puts 'Please answer with a yes or a no.'
    reply = gets.chomp.downcase
  end
  
  reply == 'yes'
end

# using or with until
def ask(question)
 
  puts question
  reply = gets.chomp.downcase
	
  until reply == 'yes' || reply == 'no'
    puts 'Please answer with a yes or a no.'
    reply = gets.chomp.downcase
  end
 
  reply == 'yes'
end