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meeta gaur
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B
FEDCB

i don't understand first output B , i was expecting null over there.
 
Winston Gutkowski
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meeta gaur wrote:i don't understand first output B , i was expecting null over there.

I suspect because you haven't read the API docs for the method, because it explains exactly why in the first (indeed, only) line of description.

Winston
 
Consider Paul's rocket mass heater.
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