Python Text File Read and Show File Contents

Task: Python Text File Read and Show File. This Python programming tutorial will use open(), read() and print() functions to read and display the whole contents of a text file on the drive D.

First of all, we assume that the text file mytext.txt already exist on the D drive. Otherwise you can use notepad in Microsoft Windows to create a new text file. Type the following contents in this file and save it with the name “mytext”.

Python program to open , read and display file

The source code of Python Text File Read and Show Conetents Program.

# Write a Python program to open
# an existing file mytext.txt from
# D drive. The program will read and show
# the contents of this text file
# on D drive.

# open mytext.txt file in read mode
file1 = open("d:/mytext.txt", "r")

# Read all contents of text file in a string s

s = file1.read()

# show the contents from string s

print(s)

# close the text file
file1.close()

The output of This Python File program is:

 This is a text file. I wish to read and display the
 contents of this text file on the standard output
 device - a monitor screen. I created this file using
 the Notepad text editor in Microsoft Windows.

 This is the second paragraph in this text file. Simply 
 read() function is used to read all contents of a text 
 file and assign to a string variable. 
 
 We can print the contents of the file using print() 
 function.

How this File program works?

Write a Python program to open an existing file mytext.txt from D drive.

The program will read and show the contents of this text file

• First of all Open mytext.txt file in read mode
• Read all contents of text file in a string s using read() method of file object.
• Note that the read() method will read whole text of file and reurn it, which is stored in a string variable named s.
• Use print() function to show the contents from string s
• After printing the contents of the file we must Close the text file.
• In tihis way this Python program is terminated.

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