Python

Time module provides the functionality to make delays in Python script. import time time.sleep(interval) Where 'interval' is the required delay

We can check the syntax of Python script without execution, using the following command. #python -m py_compile scriptname Where 'scriptname'

Os module provides the function to execute shell script from Python. import os os.popen("command") Here we need to replace "command"

Os module provides the function to remove folder if its empty. import os os.rmdir(folder) Where 'folder' is the name of

Os module provides the utility to print the current working directory. import os os.getcwd()  

To change the working directory in Python we can use os module. import os os.chdir(path) Where 'path' is the full

All the exceptions can be printed using the following format. except:   print sys.exc_info()[0:2]  

We can insert element to the n'th position of the list using the following command. #listname.insert(n, 'value') Where, listname -

We can remove element from list using the index number. #del listname[index]