循环示例

#循环  输出1到10之间的数字
#while循环
=begin
a=1
while a<=10
print a," "
a=a+1
end
=end

#until循环
=begin
a=1
until a>10
print a," "
a=a+1
end
=end

#for 循环
for i  in 1..10
print i," "
end