Added some dummy functions.
Added some dummy functions.

aktech/sympy,sampadsaha5/sympy,yashsharan/sympy,yashsharan/sympy,souravsingh/sympy,aktech/sympy,postvakje/sympy,kaushik94/sympy,kaushik94/sympy,souravsingh/sympy,jaimahajan1997/sympy,postvakje/sympy,aktech/sympy,madan96/sympy,madan96/sympy,jaimahajan1997/sympy,yashsharan/sympy,skidzo/sympy,skidzo/sympy,skidzo/sympy,madan96/sympy,souravsingh/sympy,chaffra/sympy,sampadsaha5/sympy,jaimahajan1997/sympy,kaushik94/sympy,postvakje/sympy,chaffra/sympy,chaffra/sympy,sampadsaha5/sympy