Which unit of program code takes inputs, performs operations on these inputs, and returns the outputs?

Idon understand these and need some ! ?

Is a string of code written to hurt others by damaging or destroying

Print "usernum1 is negative." if usernum1 is less than 0. end with newline. convert usernum2 to 0 if usernum2 is greater than 10. otherwise, print "usernum2 is less than or equal to 10.". end with newline