1.first rank is beginner
2.second rank is helping hand
3.third rank is ambitious
4.fourth rank is virtous
5.fifth rank is expert
6.sixth rank is ace
7.seventh rank is genius.
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the ranks are :     (  I am writing the ranks in ascending order  )
1. beginner
2. helping hand
3. ambitious
4. virtuoso
5. expert
6. ace
7. genius

hope so my answer is useful if you like it please mark it as best !!!  
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thnx......@sofia for thanking my answer !!!
ur wecome