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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
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You need to
return
the result, notprint
it.see: https://en.wikipedia.org/wiki/Scientific_notation#E_notation
for example:
1e5
means:$1*10^{5}$
2e-3
means:$2*10^{-3}$
what does the letter 'e' mean in the tests?? for example this one: '2e-3A 1e3R'.
I would apprecciate if somebody helps me out.