ruby Iteration insights

loop_vs_hardcoded.rb

my_array = [1,2,3]

#Loop iteration
#---------------------
for item in my_array do
  p item
end
#---------------------


#Hard-coded iteration
#---------------------
def do_block(item)
  p item 
end  

item = my_array[0] 
do_block(item)

item = my_array[1] 
do_block(item)

item = my_array[2] 
do_block(item)
#---------------------