how to save text in file python code example

Example 1: python writing to text file

f = open("demofile2.txt", "a")
f.write("Now the file has more content!")
f.close()

#open and read the file after the appending:
f = open("demofile2.txt", "r")
print(f.read())

Example 2: save python output to text file

$ python my_program.py > output.txt

Example 3: how to make a text file in python

f= open("guru99.txt","w+")