append to a file in python code example

Example 1: python append to file

with open(filename, "a+") as f:
  f.write('Hello World')

Example 2: append a line to a text file python

# Open a file with access mode 'a'
file_object = open('sample.txt', 'a')
 
# Append 'hello' at the end of file
file_object.write('hello')
 
# Close the file
file_object.close()

Example 3: 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())

Example 4: read and write to file python

file = open(“testfile.txt”, “r+”)