diff options
Diffstat (limited to 'python.html.markdown')
-rw-r--r-- | python.html.markdown | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/python.html.markdown b/python.html.markdown index 2b67ab83..467a179e 100644 --- a/python.html.markdown +++ b/python.html.markdown @@ -2,6 +2,7 @@ language: python author: Louie Dinh author_url: http://ldinh.ca +filename: learnpython.py --- Python was created by Guido Van Rossum in the early 90's. It is now one of the most popular @@ -15,7 +16,7 @@ to Python 2.x. Look for another tour of Python 3 soon! ```python # Single line comments start with a hash. -""" Multiline strings can we written +""" Multiline strings can be written using three "'s, and are often used as comments """ @@ -110,7 +111,7 @@ except NameError: print "Raises a name error" # if can be used as an expression -some_var = a if a > b else b +some_var = 1 if 1 > 2 else 2 # => 2 # If a is greater than b, then a is assigned to some_var. # Otherwise b is assigned to some_var. @@ -206,8 +207,11 @@ filled_dict.values() #=> [3, 2, 1] "one" in filled_dict #=> True 1 in filled_dict #=> False -# Trying to look up a non-existing key will raise a KeyError -filled_dict["four"] #=> KeyError +try: + # Trying to look up a non-existing key will raise a KeyError + filled_dict["four"] #=> KeyError +except KeyError: + pass # Use get method to avoid the KeyError filled_dict.get("one") #=> 1 @@ -234,7 +238,7 @@ filled_set = {1, 2, 2, 3, 4} # => {1 2 3 4} filled_set.add(5) # filled_set is now {1, 2, 3, 4, 5} # Do set intersection with & -other_set = set{3, 4, 5, 6} +other_set = {3, 4, 5, 6} filled_set & other_set #=> {3, 4, 5} # Do set union with | @@ -336,7 +340,7 @@ def keyword_args(**kwargs): keyword_args(big="foot", loch="ness") #=> {"big": "foot", "loch": "ness"} # You can do both at once, if you like -def all_the_args(*args, **kwargs): +def foo(*args, **kwargs): print args print kwargs """ |