Python libraries demo

dateutil.py

# https://pypi.python.org/pypi/python-dateutil/2.5.3
# https://dateutil.readthedocs.io/en/stable/
from dateutil import parser  # pip install python-dateutil

if __name__ == '__main__':
    try:
        a = parser.parse("18 Aug 2001")
        print a
        b = parser.parse("2016-04-05 12:33:55")
        print b
        c = parser.parse("25th May 2016, 1pm")
        print c
    except ValueError, e:
        print "Error parsing date: %s" % e
        
    print (b - a).days
    

pdbdemo.py

def myfunc(a, b):
    import pdb;pdb.set_trace()
    return a+b

if __name__ == '__main__':
    print myfunc(1,2)
    print myfunc(1, "2")
    # python -m pdb pdbdemo.py

pyperclip.py

# https://pypi.python.org/pypi/pyperclip
import pyperclip # pip import pyperclip

if __name__ == '__main__':
    text = "Some long block of text data."
    pyperclip.copy(text)