Coursera - Getting started with Python

Python commands

• quit() or ctrl + Z or exit() -ends Python on Windows.
• quit() or ctrl + D -Tells "End Of File" to Python on Mac and GNU/Linux.
• quit() or ctrl + C -Kills Python process on Mac and GNU/Linux.

Conditional Steps, repeated steps, loop

Conditional Steps - if ... elif .. else

if (expression):
   (command)
elif (expression):
   (command)
else:
   (command)

Conditional Steps (Multi elif) - if ... elif .. else

if x < 0:
   x = 0
   print 'negative changed to zero'
elif x == 0:
   print 'zero'
elif x == 1:
   print 'single'
elif x == 2:
   print 'double'
else:
   print 'more'

Repeated steps - while

    while i < 6:
        print "At the top i is %d" % i

Loop - for

    for (y) in (x):
        (command)

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