Question

How to create array inside another array (nested arrays) in Ruby

Answer 1

arr = [[4, 7, 1], [3, 0, 9], [8, 2, 6]]

puts arr.join(" ")

puts arr[0][0]
puts arr[0][1]
puts arr[0][2]

puts arr[1][0]
puts arr[1][1]
puts arr[1][2]

puts arr[2][0]
puts arr[2][1]
puts arr[2][2]




# run:
# 
# 4 7 1 3 0 9 8 2 6
# 4
# 7
# 1
# 3
# 0
# 9
# 8
# 2
# 6
#

 

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