please give code and explanation show result

do it using the kaiser window developed by j.f kaiser(1974) who develop simple formalization

j20 , 1. If the sampling frequency (fs) is 2000 Hz, please use the Kaiser window method to design a discrete-time bandpass filter with generalized linear phase that meets specifications of the following form: 162***|40.01, He for 0 Hz 5 f 5100 Hz, 0.95 S|H6**#51.05, S H j22%)