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Merge pull request #1223 from outcoldman/patch-2

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Python3: add finally and with statements
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Geoff Liu
2015-09-01 11:52:39 -06:00
parent 153cd4eeaf 1b767166e1
commit 4a2af140e4
1 changed files with 7 additions and 0 deletions
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7
python3.html.markdown
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@@ -374,6 +374,13 @@ except (TypeError, NameError):
pass # Multiple exceptions can be handled together, if required. pass # Multiple exceptions can be handled together, if required.
else: # Optional clause to the try/except block. Must follow all except blocks else: # Optional clause to the try/except block. Must follow all except blocks
print("All good!") # Runs only if the code in try raises no exceptions print("All good!") # Runs only if the code in try raises no exceptions
finally: # Execute under all circumstances
print "We can clean up resources here"
# Instead of try/finally to cleanup resources you can use a with statement
with open("myfile.txt") as f:
for line in f:
print line
# Python offers a fundamental abstraction called the Iterable. # Python offers a fundamental abstraction called the Iterable.
# An iterable is an object that can be treated as a sequence. # An iterable is an object that can be treated as a sequence.