LAB

$3\mathrm{.}13\mathrm{.}1$: LAB: Musical note frequencies

$[\frac{5}{10}$

On a piano, a key has a frequency, say fo$.$ Each higher key $($black or white$)$ has a frequency of $fO**r^n,$ where $n$ is the distance $($number of keys$)$ from that key, and $r$ is $2^{(\frac{1}{12})}.$ Given an initial key frequency, output that frequency and the next $3$ higher key frequencies.

Output each floating$-$point value with two digits after the decimal point, then the units $("Hz"),$ then a newline, using the following statement:

print $($f$\text{'}\{\begin{array}{c}?\end{array}$ your$\_$value:$\mathrm{.}2$f$\}H{z}^{\text{'}})$

Ex$.$ If the input is:

$440$

$($which is the A key near the middle of a piano keyboard$),$ the output is:

$440\mathrm{.}00Hz$

$466\mathrm{.}16Hz$

$493\mathrm{.}88Hz$

$523\mathrm{.}25Hz$

Note To compute the next $3$ higher key frequencies, use one statement to compute $r=2^{(\frac{1}{12})}$ using the pow function $($remember to import the math module$).$ Then use that $r$ in subsequent statements that use the formula $fn=f0**r^n$ with $n$ being $1,2,$ and finally $3.$