jaycody

"""With dictionary d, of format key: word from text, value: word frequency 
Sort and display the key value pairs in the following ways:
1. DISPLAY TOP 20 WORDS & THEIR FREQ - SORTED: MOST FREQUENT FIRST
2. DISPLAY ALL WORDS THAT APPEAR MORE THAN 25 TIMES & THEIR COUNT - SORTED: MOST FREQ FIRST
3. DISPLAY ALL WORDS - SORTED ALPHABETICALLY
"""

d = make_wordcount_dict_from(filename)
top_twenty_count = 0

jaycody

"""Python allows putting multiple open() statements in a single with. 
comma-separate multiple open() statement

thank you steveha!
https://stackoverflow.com/questions/9282967/how-to-open-a-file-using-the-open-with-statement
answered Feb 14 '12 at 19:33
"""

def filter(txt, oldfile, newfile):
    '''\

jaycody

## The writable 
with open('output.txt', 'w') as f:
    f.write('Hi there!')
    
## we sure about that 'r'???
with open('readthis.txt', 'r') as f:
    f.read()

jaycody

# This basic command line argument parsing code is provided and
# calls the handle_this() and review_that() functions
# inspired by google's python class! thanks!

def main():
  if len(sys.argv) != 3:
    print 'usage: ./myscript.py {--option_1 | --option_2} file_to_get'
    sys.exit(1)

  option = sys.argv[1]

jaycody

""" SORT options with lambda function key

Given a list of non-empty tuples, return a list sorted in increasing
order by the last element in each tuple.
e.g. [(1, 7), (1, 3), (3, 4, 5), (2, 2)] yields
[(2, 2), (1, 3), (3, 4, 5), (1, 7)]
"""
data = [(1, 7), (1, 3), (3, 4, 5), (2, 2)] 
 
sorted_by_last = sorted(data, key=lambda tup: tup[::-1])

jaycody

#! /usr/bin/python -tt

"""simple function tester"""

def do(x):
    return x

def test(got, expected):
    """Compare what you got with what you expected.
    Report back please

jaycody

#! /usr/bin/python -tt

"""test runner

test_suite: list of test cases for each function
test case: 2-value-tuple with 1) string for function name and 2) a list of test_values
test_values: a list of got,expected value pairs saved as tuples

"""

jaycody

""" FORMAT THE format() and UNPACK THE *args """

res = ['Homie McHomeboy', 35,  24.798]  # print this
args = (10, 5, 2.2)                     # with these dimensions
print('{0[0]:{1}s} {0[1]:{2}d} {0[2]:{3}f}'.format(res, *args))
## where:
  ##  's' # format a STRING with n spaces, left justified by defau
  ##  'd' # format an INT reserving n spaces, right justified by default
  ##  'f' # format a float, reserving n spaces, and .n spaces after the decimal point, right justfied by default.
  ##  AND UNPACK THE *args

jaycody

#! /usr/bin/python -tt

"""Function tester adapted from exercies in Google's Python class"""

def donuts(x):
    return 'Number of donuts: {}'.format(x)

# Provided simple test() function used in main() to print
# what each function returns vs. what it's supposed to return.
def test(got, expected):

jaycody

## assuming function: test_check_this()

## Generator runs each test
    T = [10, -10, 'h', [], {}, '', 1.0, None, check_this('16'), '\n']
    G = (test_check_this(test_val) for test_val in T)
    for testable_item in T:
        # run test on that testable_item
        print next(G)