Answers for "save from list to csv python"

how to convert list into csv in python

import pandas as pd    

list1 = [1,2,3,4,5]
df = pd.DataFrame(list1)
df.to_csv('filename.csv', index=False)

#index =false removes unnecessary indexing/numbering in the csv

python convert dat file to csv

import csv

with open("infile.dat") as infile, open("outfile.csv", "w") as outfile:
    csv_writer = csv.writer(outfile)
    prev = ''
    csv_writer.writerow(['ID', 'PARENT_ID'])
    for line in infile.read().splitlines():
        csv_writer.writerow([line, prev])
        prev = line