save python output to text file code example

Example 1: 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 2: save python output to text file

$ python my_program.py > output.txt

Example 3: how to save the command result with ! in python

subprocess = subprocess.Popen("echo Hello World", shell=True, stdout=subprocess.PIPE)

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