📅  最后修改于: 2022-03-11 14:47:15.758000             🧑  作者: Mango
f = open("demofile3.txt", "w")
f.write("Woops! I have deleted the content!")
f.close()
#open and read the file after the appending:
f = open("demofile3.txt", "r")
print(f.read())