Text printed on the screen and text written to a file

Predict the output without running the code.

Code

f = open("post.txt", "w")
print("Saving started")
f.write("mina")
f.write(" 120\n")
f.write("jun 80")
print("Saving finished")
f.close()

f = open("post.txt", "r")
print(f.read())
f.close()