how to open a file for write and read in python code example

Example 1: python read file

with open("file.txt", "r") as txt_file:
  return txt_file.readlines()

Example 2: python append a file and read

f = open(filelocation/name, "a")
f.write("Now the file has more content!")
f.close()

#open and read the file after the appending:
f = open("C:/test/input.txt", "r")
print(f.read())