Reading files is straightforward: Python has built in support for reading and writing files. The function readlines() can be used to read the entire files contents.

Related Courses

Read file into list

We call the function method open to read the file, then we call the method readlines() to read all of the file contents into a variable. Finally we print out all file data.

Example read file:

 #!/usr/bin/env python

filename = "readme.txt"

with open(filename) as fn:
content = fn.readlines()


Content will contain a list of all strings in the file.

python read file

If you print the variable content:


you would see a list. Every item of the list contains one line. However, every line of the list contains the newline character \n.
To remove the newline characters from the list use:
content = [x.strip() for x in content]

Read file into string

If you want to read a file into a string variable, you can use a different method.
The code below reads the entire file data into a single string.

#!/usr/bin/env python

filename = ""
contents = open(filename,'r').read()