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Multiplication tables: Difference between revisions
add Ruby
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>>> </lang>
=={{header|Ruby}}==
<lang ruby>def multiplication_table(n)
puts " " + ((" %3d" * n) % (1..n).to_a)
1.upto(n) do |x|
print "%3d " % x
1.upto(x-1) {|y| print " "}
x.upto(n) {|y| print " %3d" % (x*y)}
puts ""
end
end
multiplication_table 12</lang>
=={{header|Tcl}}==
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