Ruby 实现 九九乘法表
require 'byebug'
as = 1..9
as.each do |a|
(1..a).each do |b|
a = a.to_i
b = b.to_i
#byebug
# s 用作对齐
s = a*b >= 10 ? " " : " "
print " #{b} * #{a} = #{a*b}#{s}"
end
puts " \n"
end
require 'byebug'
as = 1..9
as.each do |a|
(1..a).each do |b|
a = a.to_i
b = b.to_i
#byebug
# s 用作对齐
s = a*b >= 10 ? " " : " "
print " #{b} * #{a} = #{a*b}#{s}"
end
puts " \n"
end