diff options
Diffstat (limited to 'python.html.markdown')
| -rw-r--r-- | python.html.markdown | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/python.html.markdown b/python.html.markdown index 946cbc0c..0cc33a80 100644 --- a/python.html.markdown +++ b/python.html.markdown @@ -7,6 +7,7 @@ contributors: - ["evuez", "http://github.com/evuez"] - ["asyne", "https://github.com/justblah"] - ["habi", "http://github.com/habi"] + - ["Rommel Martinez", "https://ebzzry.io"] filename: learnpython.py --- @@ -327,7 +328,8 @@ filled_dict["four"] = 4 # now, filled_dict["four"] => 4 filled_dict.setdefault("five", 5) # filled_dict["five"] is set to 5 filled_dict.setdefault("five", 6) # filled_dict["five"] is still 5 -# Sets store ... well sets (which are like lists but can contain no duplicates) +# You can declare sets (which are like unordered lists that cannot contain +# duplicate values) using the set object. empty_set = set() # Initialize a "set()" with a bunch of values some_set = set([1, 2, 2, 3, 4]) # some_set is now set([1, 2, 3, 4]) @@ -363,6 +365,12 @@ filled_set | other_set # => {1, 2, 3, 4, 5, 6} # Check for existence in a set with in 2 in filled_set # => True 10 in filled_set # => False +10 not in filled_set # => True + +# Check data type of variable +type(li) # => list +type(filled_dict) # => dict +type(5) # => int #################################################### @@ -502,9 +510,9 @@ all_the_args(1, 2, a=3, b=4) prints: # Use * to expand positional args and use ** to expand keyword args. args = (1, 2, 3, 4) kwargs = {"a": 3, "b": 4} -all_the_args(*args) # equivalent to foo(1, 2, 3, 4) -all_the_args(**kwargs) # equivalent to foo(a=3, b=4) -all_the_args(*args, **kwargs) # equivalent to foo(1, 2, 3, 4, a=3, b=4) +all_the_args(*args) # equivalent to all_the_args(1, 2, 3, 4) +all_the_args(**kwargs) # equivalent to all_the_args(a=3, b=4) +all_the_args(*args, **kwargs) # equivalent to all_the_args(1, 2, 3, 4, a=3, b=4) # you can pass args and kwargs along to other functions that take args/kwargs @@ -654,7 +662,7 @@ i.age # => raises an AttributeError # You can import modules import math -print math.sqrt(16) # => 4 +print math.sqrt(16) # => 4.0 # You can get specific functions from a module from math import ceil, floor |