part iitalking the talk figure - floatingpoint values provide multiple assignment techniques complex numbers you may or may not remember complex numbers from school complex number consists of real number and an imaginary number that are paired together just in case you've completely forgotten about complex numbersyou can read about them at complex-numbers html real-world uses for complex numbers includeelectrical engineering fluid dynamics quantum mechanics computer graphics dynamic systems complex numbers have other usestoobut this list should give you some ideas in generalif you aren' involved in any of these disciplinesyou probably won' ever encounter complex numbers howeverpython is one of the few languages that provides built-in data type to support them as you progress through the bookyou find other ways in which python lends itself especially well to science and engineering the imaginary part of complex number always appears with after it soif you want to create complex number with as the real part and as the imaginary partyou make an assignment like thismycomplex if you want to see the real part of the variableyou simply type mycomplex real at the python prompt and press enter likewiseif you want to see the imaginary part of the variableyou type mycomplex imag at the python prompt and press enter