How to append a piece of code in a file in Python code example

Example 1: Write a Python program to append text to a file and display the text.

def Appendtext(fname):
	with open(fname,'a+') as f:
		f.write('appending line 1, ')
		f.write('appending line 2. ')
	f.close()
# y=open('file1.txt')
# print(y.read())
Appendtext('file1.txt')

x= open('file1.txt')
print(x.read())

Example 2: python append to file

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

Example 3: how to make a text file in python

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