29 lines
782 B
Python
29 lines
782 B
Python
# Check to see whether a name is defined
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try: name
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except NameError: print "name is undefined at first check"
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# Create a name, giving it a string value
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name = "Chocolate"
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# Check to see whether the name is defined now.
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try: name
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except NameError: print "name is undefined at second check"
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# Remove the definition of the name.
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del name
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# Check to see whether it is defined after the explicit removal.
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try: name
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except NameError: print "name is undefined at third check"
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# Recreate the name, giving it a value of 42
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name = 42
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# Check to see whether the name is defined now.
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try: name
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except NameError: print "name is undefined at fourth check"
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# Because most of the output is conditional, this serves as
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# a clear indicator that the program has run to completion.
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print "Done"
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