Write a function echo (data ,delay, factor) that returns a copy of the original sound with an echo. the delay parameter specifies the number of frames that the echo is delayed, and factor is the amplification factor for the echo(less than 1)

Janice recently received her college degree and is looking for a job. she is worried that since she just finished school, she will be required to repay her perkins and direct subsidized loans immediately. janice pulls out the paperwork she signed and reviews it again for repayment information. after reading all of the information, janice discovers that