Fix typo in "printing" tutorial, remove extra space [skip ci]
Fix typo in "printing" tutorial, remove extra space [skip ci]

kaushik94/sympy,madan96/sympy,aktech/sympy,kaushik94/sympy,jaimahajan1997/sympy,aktech/sympy,skidzo/sympy,jaimahajan1997/sympy,kaushik94/sympy,sampadsaha5/sympy,aktech/sympy,ChristinaZografou/sympy,drufat/sympy,souravsingh/sympy,madan96/sympy,ChristinaZografou/sympy,yashsharan/sympy,souravsingh/sympy,jaimahajan1997/sympy,drufat/sympy,skidzo/sympy,rahuldan/sympy,hargup/sympy,Titan-C/sympy,yashsharan/sympy,hargup/sympy,Titan-C/sympy,postvakje/sympy,Titan-C/sympy,yashsharan/sympy,drufat/sympy,hargup/sympy,chaffra/sympy,sampadsaha5/sympy,postvakje/sympy,postvakje/sympy,ChristinaZografou/sympy,skidzo/sympy,madan96/sympy,chaffra/sympy,sampadsaha5/sympy,rahuldan/sympy,souravsingh/sympy,rahuldan/sympy,chaffra/sympy