how to read, write and print a file using python

 as many other interpreted languages, python has a verity of builtin functions to perform different tasks.

here are some ways to write, read and print a file using python.

# Program to show various ways to read and write data in a text file.

file1 = open("textfile.txt","w")

L = ["This is Multan \n","This is Lahore \n","This is Karachi \n"]

 

# \n is placed to indicate EOL (End of Line)

file1.write("Hello web-healer.blogspot.com \n")

file1.writelines(L)

file1.close() #to change file access modes

 

file1 = open("txtfile.txt","r+")

 

print("Output of Read function is.")

print(file1.read())

print()

 

# seek(n) takes the file handle to the nth value.

# bite from the beginning of the file.

file1.seek(0)

 

print( "Output of Readline function is. ")

print(file1.readline())

print()

 

file1.seek(0)

 

# To show difference between read and readline using python code

print("Output of Read(9) function is ")

print(file1.read(9))

print()

 

file1.seek(0)

 

print("Output of Readline(9) function is ")

print(file1.readline(9))

 

file1.seek(0)

# readlines function

print("Output of Readlines function is ")

print(file1.readlines())

print()

file1.close()