python how to output print to file code example

Example 1: python print to file

import sys

# only this print call will write in the file
print("Hello Python!", file=open('output.txt','a'))

# not this one (std output)
print("Not written")

# any further print will be done in the file
sys.stdout = open('output.txt','wt')
print("Hello Python!")

Example 2: print output python to file

print("Hello stackoverflow!", file=open("output.txt", "a"))
print("I have a question.", file=open("output.txt", "a"))