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Update python3.html.markdown

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Added more info to try/except. Corrected some trivial bugs.
This commit is contained in:
Shashwat986 2014-08-03 21:56:26 +05:30
parent e6a289be49
commit abc06a620b
1 changed files with 6 additions and 3 deletions
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python3.html.markdown
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@ -330,9 +330,12 @@ try:
raise IndexError("This is an index error") raise IndexError("This is an index error")
except IndexError as e: except IndexError as e:
pass # Pass is just a no-op. Usually you would do recovery here. pass # Pass is just a no-op. Usually you would do recovery here.
except (TypeError, NameError):
pass # Multiple exceptions can be handled together, if required.
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
# Python offers a fundamental abstraction called the Iterable.
# Python's 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.
# The object returned the range function, is an iterable. # The object returned the range function, is an iterable.
@ -340,7 +343,7 @@ filled_dict = {"one": 1, "two": 2, "three": 3}
our_iterable = filled_dict.keys() our_iterable = filled_dict.keys()
print(our_iterable) #=> range(1,10). This is an object that implements our Iterable interface print(our_iterable) #=> range(1,10). This is an object that implements our Iterable interface
i We can loop over it. # We can loop over it.
for i in our_iterable: for i in our_iterable:
print(i) # Prints one, two, three print(i) # Prints one, two, three