for knife:
sv_cheats 1;give weapon_knife_butterfly;ent_fire weapon_knife addoutput "classname weapon_knifegg";mp_drop_knife_enable 1

for practice:
sv_cheats 1; mp_roundtime_defuse 60; mp_freezetime 0; mp_restartgame 1;

mp_warmup_end 1; god; sv_infinite_ammo 1; give weapon_flashbang; give weapon_molotov; give weapon_smokegrenade;

alias "+jumpthrow" "+jump;-attack"; alias "-jumpthrow" "-jump"; bind mouse5 "+jumpthrow"