RenSys

from itertools import izip_longest
names = ['Karl','Savannah', 'Harvey', 'Scarlett']
letters = [len(n) for n in names]

print " ---  merge even lists ---"
for name, count in izip_longest(names, letters):
    print "Name '{0}' has {1} letters".format(name, count)


print " ---  merge uneven lists ---"

RenSys

from functools import partial

def raise_to_power(value, power):
    return value ** power

square = partial(raise_to_power, power=2)

RenSys

from os.path import isfile
if isfile('filename.xxx'):
  print 'file exists'
else:
  print 'no file exists'

RenSys

import pendulum
# pip install pendulum

if __name__ == '__main__':
    _1st_jan_2011 = pendulum.create(day=1, month=1, year=2011)
    print _1st_jan_2011.days_in_month

RenSys

import pandas as pd
df = pd.DataFrame(data = [1,2,3,4,5], index = pd.date_range("7:00", "9:00", freq="30min", tz = 'UTC'))
# convert UTC Timezone to Australia Perth
df.index = df.index.tz_convert('Australia/Perth')
# Remove TZ information from the datetime stamp, this is useful when exporting to Excel
df.index = df.index.tz_localize(None)

RenSys

from pytz import all_timezones
print all_timezones

RenSys

import pandas as pd
from datetime import datetime

dd = 01
mm = 01
yyyy = 2011

pd.set_option('display.expand_frame_repr', False)

print '------ Day Shift ---------'

RenSys

import pendulum
# pip install pendulum
if __name__ == '__main__':
    _1st_day = pendulum.now().subtract(months=1).start_of('month')
    last_day = pendulum.now().subtract(months=1).end_of('month')
    print 'First day of previous month: {}'.format(_1st_day.to_date_string())
    print 'Last day of previous month: {}'.format(last_day.to_date_string())

RenSys

import multiprocessing


def increment_value(num):
    num = num + 1
    print 'this is number ->{}'.format(num)
    return num

if __name__ == '__main__':
    '''

RenSys

from collections import Counter
word_count = Counter('my my name is is is Hal hal'.split())
for word, count in word_count.items():
	print 'Word Count: {} -> {}'.format(count, word)