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m (add link to Delphi for pascal) |
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=={{header|Python}}== |
=={{header|Python}}== |
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<lang python> |
<lang python>try: |
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x |
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except NameError: |
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print "x is |
print "x is undefined" |
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else: |
else: |
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print "x is |
print "x is defined" |
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⚫ | |||
Output:<pre> |
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x is None |
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⚫ | |||
=={{header|R}}== |
=={{header|R}}== |