Iterating in Python Sampler

for i in [1, 2, 3]:

print (i)

for ch in "Yay!":

print(ch)

for num in range(5):

print('David is good at this!')

help(range)

phrase="Don't Panic!"

All the Letters

phrase

Every Third Letter up to index location 10

phrase[0:10:3]

All letters up to but not including the 10th

phrase[:10]

Only the first three letters

phrase[3:]

Every Second Letter

phrase[::2]

How to count backwards 1

backwords = phrase[::-1}

''.join(backwords)

>>> phrase[::-1]

"!cinap t'noD"

How to count backwards 2

>>> phrase = "The Sky is Blue"

>>> words = phrase.split(' ')

>>> words

['The', 'Sky', 'is', 'Blue']

>>> words[::-1]

['Blue', 'is', 'Sky', 'The']