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Learn how to determine whether your Python sequence contains a particular value or other sequence.
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Membership testing uses
the operators in and not in.
0:00
Take a look at my workspace here,
you can see I have a really long string,
0:01
really an entire paragraph
from the Python documentation.
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I want to know whether this documentation
excerpt contains the string tuple.
0:06
To find that out,
I can use the operator in.
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The expression, 'tuple' in docs,
will evaluate to true or
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false, true if tuple appears in docs,
and false if it does not.
0:19
You'll see this expression most often
used in conjunction with an if statement.
0:24
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