import csv 
lis = ['something' , 'sometimes' , 'somemores' , 'with' , 'within']
with open('some_file.csv', 'a', newline ='') as f:
	writer = csv.writer(f)
	writer.writerows(lis)
print ('THe END')

 import csv 
lis = [1 , 2 , 3,  4 , 5]
with open('some_file.csv', 'a', newline ='') as f:
	writer = csv.writer(f)
	writer.writerows(lis)
print ('THe END')

 >>> import pandas as pd
>>> ls = ['something' , 'sometimes' , 'somemores' , 'with' , 'within']
>>> pd.DataFrame(ls).to_csv('file.name', index=False, header=False)

 import csv 
lis = ['white', 'blue', 'green', 'pink']
with open('eggs1.csv', 'w') as f:
	writer = csv.writer(f,delimiter = '\n' )
	writer.writerow(lis)

 with open('in.csv') as infile, open('out.csv','w') as outfile:
    for line in infile:
        lst = line.strip().split(',')
        lst[7] += 'mydata'
        outfile.write(','.join(lst) +'\n')