file1 = open("myfile.txt","w")
L = ["This is Delhi \n", "This is Paris \n", "This is London \n"]
file1.write("Hello \n")
file1.writelines(L)
file1.close() 
file1 = open("myfile.txt", "r+")
print("output of Read function is ")
print(file1.read())
print()
file1.seek(0)
print("Output of Readline function is ")
print(file1.readline())
print()
file1.seek(0)
print("Output of Read(9) function is ")
print(file1.read(9))
print()
file1.seek(0)
print("Output of Readline (5) function is ")
print(file1.readline(9))
file1.seek(0)
print("Output of Readlines function is " )
print(file1.readlines())
print()
file1.close()