Friedrich Dominicus wrote:
> Nikhil Warade <newarade47 / gmail.com> writes:
> 
>> How can I give input to a program using STDIN
>> Suppose I want the program to take the value x=10
>> On some other site i found it as STDIN.read,but its not working.
>>
> 
> print("Give me a string ");
> STDOUT.flush
> a_string = gets
> print("You gave me '#{a_string}'")
> 
> Regards
> Friedrich

Please check http://codegolf.com/reverse where we need to input using 
STDIN
You don't seem to have used STDIN
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