python how to write a list to a file code example
Example 1: how to save python list to file
import json
a = [1,2,3]
with open('test.txt', 'w') as f:
f.write(json.dumps(a))
with open('test.txt', 'r') as f:
a = json.loads(f.read())
Example 2: python write a list to a file line by line
f = open("Bills.txt", "w")
f.write("\n".join(map(lambda x: str(x), bill_List)))
f.close()
f = open('Bills.txt', 'w')
for item in bill_List:
f.write("%s\n" % item)
f.close()
with open('Bills.txt', 'w') as f:
for s in bill_List:
f.write(s + '\n')
with open('Bills.txt', 'r') as f:
bill_List = [line.rstrip('\n') for line in f]
with open('Bills.txt', 'w') as out_file:
out_file.write('\n'.join(
bill_List))