Add tests for ccode for assignments and For
Add tests for ccode for assignments and For

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