Inexperience

Apart from the grammar correction, this is perfect.

Great work.

Bob

Inexperience

        Option 1:  I am inexperienced.

        Option 2:  I do not have experience

        Option 1:  Although it may not be very interesting, I will write about myself.  This is the first time I have written.

        Option 2:  This is the first time I have written so, although it may not be interesting, I will write about myself.

I play the piano, I like to read, I am passionate about law and psychology.

        Option 1:  I play the piano. I like to read. I am passionate about law and psychology.

        Option 2:  I like to play the piano, read, and am passionate about law and psychology.

        Option 2:  I play the piano; I like to read; I am passionate about law and order.  (You can use the semi-colon when the parts of the sentence are independent clauses.) 

Now I want to learn English.  (This structure implies you did something else before.  For example, I learned Spanish and now I want to learn English.)

        Option 2:  I want to learn English now.   (This structure implies that the audience already knows what you did  before.  The structure could also be used to imply that you want to do it right now--in this moment.)

The world would not deny me the right to learn another language.  (The structure is technically correct but it is awkward because you are personifying "the world.")

        Alternative 1:  No one can deny me the right to learn another language.

        Alternative 2:  I have the right to learn another language.