Inspecting Strings



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# This is some IPython %magic
%xmode plain



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len("hello")



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"hello" + "!"



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"l" in "hello"



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"hello"[-3:]

Formatting Strings



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# Busted
count = 3
"Number of items: " + count



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# OK, but there's a better way
name = "Peter"
greeting = "Hello"
"%s, %s, what's happenning?" % (greeting, name)



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"{}, {}, what's happenning?".format(greeting, name)



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print "Number of items: ---{:05}---".format(count)
print "Number of items: ---{:>5}---".format(count)
print "Number of items: ---{:<5}---".format(count)

Joining and Splitting



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from string import ascii_lowercase
print ascii_lowercase
a_f = list(ascii_lowercase[:6])
print a_f
letters = ", ".join(letters)
print letters



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letters.split(", ")