Zelle - Chapter 11.pdf - CTools
Zelle - Chapter 11.pdf - CTools
Zelle - Chapter 11.pdf - CTools
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Dictionary Patterns<br />
• It is an error to reference a key which is not in the dictionary<br />
• We can use the in operator to see if a key is in the dictionary<br />
>>> ccc = dict()<br />
>>> print ccc["csev"]<br />
Traceback (most recent call last):<br />
File "", line 1, in <br />
KeyError: 'csev'<br />
>>> print "csev" in ccc<br />
False
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