mport pandas as pd

df $=$ pd$.$read$\_$csv$("/$content$/$drive$/$MyDrive$/$COMM $324/$PS$\_1.$csv$")$

percentile$\_25=$ df$[\text{'}$salary$\text{'}].$quantile$(0\mathrm{.}25)$

if percentile$\_25<45000$:

print$("$Yes$,$ only $25\%$ of employees are earning less than $$45,000")$

else:

print$("$No$,$ more than $25\%$ of employees are earning less than $$45,000")$