append object to external file python code example

Example 1: append a line to a text file python

# Open a file with access mode 'a'
file_object = open('sample.txt', 'a')
 
# Append 'hello' at the end of file
file_object.write('hello')
 
# Close the file
file_object.close()

Example 2: how to write a python variable to a file

#use pickle

import pickle
dict = {'one': 1, 'two': 2}
file = open('dump.txt', 'w')
pickle.dump(dict, file)
file.close()

#and to read it again
file = open('dump.txt', 'r')
dict = pickle.load(file)