Python linecache.getline() script to read a specific line in the file

In Python, you can use the getline method in linecache in the standard library to read a specific line from a file.

For example:

import linecache
print linecache.getline('2.1_open.py', 4)

## will return The 4th line of text in the example code file 2.1_open.py of my previous section, the output result:
f = open('/home/evergreen/Desktop/test')

View the implementation in linecache ( I am using Ulipad, so just put the cursor at linecache and press F6)

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