featherart

# create an Array of 4 shoes

shoes = ["flip flops", "cowboy boots", "galoshes", "clogs" ]

# iterate through your Array using each and {}'s
# and show a list of your shoes

shoes.each { |s| puts s }

# create an Array of 4 outfits using Array.new

featherart

# create an Array of 4 shoes


# iterate through your Array using each and {}'s
# and show a list of your shoes



# create an Array of 4 outfits using Array.new

featherart

                                                             
#     ,o888888o.     8 8888      88  8 8888  8888888888',8888' 
#  . 8888     `88.   8 8888      88  8 8888         ,8',8888'  
# ,8 8888       `8b  8 8888      88  8 8888        ,8',8888'   
# 88 8888        `8b 8 8888      88  8 8888       ,8',8888'    
# 88 8888         88 8 8888      88  8 8888      ,8',8888'     
# 88 8888     `8. 88 8 8888      88  8 8888     ,8',8888'      
# 88 8888      `8,8P 8 8888      88  8 8888    ,8',8888'       
# `8 8888       ;8P  ` 8888     ,8P  8 8888   ,8',8888'        
#  ` 8888     ,88'8.   8888   ,d8P   8 8888  ,8',8888'         

featherart

                                                             
#     ,o888888o.     8 8888      88  8 8888  8888888888',8888' 
#  . 8888     `88.   8 8888      88  8 8888         ,8',8888'  
# ,8 8888       `8b  8 8888      88  8 8888        ,8',8888'   
# 88 8888        `8b 8 8888      88  8 8888       ,8',8888'    
# 88 8888         88 8 8888      88  8 8888      ,8',8888'     
# 88 8888     `8. 88 8 8888      88  8 8888     ,8',8888'      
# 88 8888      `8,8P 8 8888      88  8 8888    ,8',8888'       
# `8 8888       ;8P  ` 8888     ,8P  8 8888   ,8',8888'        
#  ` 8888     ,88'8.   8888   ,d8P   8 8888  ,8',8888'         

featherart

# in irb, evaluate the following:
4 < 5
4 == 5  # note the == is different from =
4 != 5
1 <= 2

0 > 1
1 > 1
1 >= 1

featherart

# Euler problem #1: If we list all the natural numbers below 10 that are multiples of 3 or 5, 
# we get 3, 5, 6 and 9. The sum of these multiples is 23.

# Find the sum of all the multiples of 3 or 5 below 1000.
def find_multiples num
  multiples = Array.new
  (1...num).each do |i|
    if( (i % 3 == 0) || (i % 5 == 0) )
      multiples << i      
    end