how to rewrite this code to import csv file as a python list def main$()$:

phone$\_$numbers $=[]$

with open$(\text{'}$phone$\_$numbers.csv$\text{'},\text{'}$rt$\text{'})$ as f:

initial$\_$phone$\_$numbers $=[]$

$"""$data $=$ list$($reader$)"""$

for row in f:

row.replace$(",","$

$")$

reader $=$ csv$.$reader$($f$,$ delimiter$=",")$

phone$\_$numbers.append$($reader$)$

print$($phone$\_$numbers$)$