<generator object <genexpr> at 0x00000261AC160AC0> code example
Example: at 0x0000024F369E6F90>
[tuple((fir[0], fir[1]*sec[1], fir[2]*sec[2]) for fir in first_lst)\
for sec in second_lst if fir[0] == sec[0]][tuple((fir[0], fir[1]*sec[1], fir[2]*sec[2]) for fir in first_lst)\
for sec in second_lst if fir[0] == sec[0]]