What is the trace of the matrix 3F + 2G? Please store your answers into a string variable Trace_FG written with valid python code formatting (e.g. Trace_FG = "2 + a -b"). (Note you are encouraged to do this by hand.)

F=[[1,2,a],[3,2,1+b],[2,2,2+c]] G=[[0,2+c,a],[3,b+c,1],[a,3,b]]

Trace_FG=None