python write output to file code example

Example 1: fastest way to output text file in python + Cout

import sys

print('This message will be displayed on the screen.')

original_stdout = sys.stdout # Save a reference to the original standard output

with open('filename.txt', 'w') as f:
    sys.stdout = f # Change the standard output to the file we created.
    print('This message will be written to a file.')
    sys.stdout = original_stdout # Reset the standard output to its original value

Example 2: python save output to file

with open("output.txt", "a") as f:
    print("Hello StackOverflow!", file=f)
    print("I have a question.", file=f)

Example 3: python write to file

path = "guide/README.txt" # The path of your file should go here
with open(path, "w") as fil: # Opens the file using 'w' method. See below for list of methods.
  fil.write("This is the README. It is reccomended that you read it.") # Writes to the file used .write() method
  fil.close() # Closes file
'''
List of methods:
w* - replace everything with needed text
r^ - read the file
a* - adds to file
x - creates file

* Creates file if the file at that path does not exist
^ Throws error if file does not exist
'''

Example 4: print output python to file

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

Example 5: how to write to an output file in pytion

#first arg is the name of the file
#second arg notes that the file is open to write to it
outputFile = open("fileName", "w")
#next line writes to the file
outputFile.write(str)
#remember to close opened files
outputFile.close()

Example 6: python output to text file

$ python my_program.py > output.txt