Python 101 Blog Example

python_101_blog_example.py

# variable
var1 = 10

# list
anything = [10, 10, 3, 2]

# dict
dict1 = {'apple': 'green', 'grape':'red', 'other grape':'green', 'apple':'red'}

# loops through lists
for index, element in enumerate(anything):
    # My favorite method for inserting variables into strings
    print("Element {0}: {1}".format(index, element))
    # another method for inserting into strings.
    print("Element %i: %i" % (index, element))

# through dicts
for key, val in dict1.iteritems():
    if val == 'green':
        print(key + ' is ' + val)

# ex function 1
def key_in_value(input_to_function):
    """
    INPUT: dict
    OUTPUT: list
    Return the keys from the dictionary where the key is a member in the
    associated value.
    example:
    INPUT: {"a": ["b", "c", "a"], "b": ["a", "c"], "c": ["c"]}
    OUTPUT: ["a", "c"]
    Hint: Use iteritems
    (Can be done on one line with a list comprehension)
    """
    pass


# call function
output = key_in_value({"a": ["b", "c", "a"], "b": ["a", "c"], "c": ["c"]})