In [1]:

    

%%file __init__.py
__version__ = '0.0.4'


    

    




Overwriting __init__.py

In [2]:

    

ls


    

    




LICENSE                 Untitled.ipynb          __pycache__/            stringtools.py
README.md               __init__.py             function_writing.ipynb  test_code.ipynb

In [3]:

    

prob = '''The two problems we face are 
['red', 'and', 'yellow', 'and', 'green',
'and', 'blue,', 'purple', 'and', 'orange!'] 
and [1231, 'hello', [1, 2, 3]].'''


    

In [4]:

    

import string


    

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string.punctuation


    

    
Out[5]:





'!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'

In [22]:

    

def stripper(sentence):
    '''
    takes a string as input and removes punctuation
    returns a string
    '''
    clean = ''
    for let in sentence:
        if let in string.punctuation: continue
        clean += let
    return clean


    

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stripper(prob)


    

In [36]:

    

def stripper2(sentence):
    '''
    takes a string as input and removes punctuation
    returns a string using list comprehension
    '''
    y = [x for x in sentence if x not in string.punctuation]
    z = ''
    for let in y:
        z += let
    return z


    

In [37]:

    

stripper2(prob)


    

    
Out[37]:





'The two problems we face are red and yellow and green and blue purple and orange and 1231 hello 1 2 3'

In [41]:

    

def stripper3(sentence):
    '''
    takes a string as input and removes punctuation
    returns a string using list comprehension
    '''
    
    res = "".join([x for x in sentence if x not in string.punctuation])
    return res


    

In [42]:

    

stripper3(prob)


    

    
Out[42]:





'The two problems we face are red and yellow and green and blue purple and orange and 1231 hello 1 2 3'

In [6]:

    

def stripper4(sentence):
    '''
    takes a string as input and removes punctuation
    returns a string usinf list comprehension
    '''
    
    res = "".join([x for x in sentence if x not in set(string.punctuation)])
    return res


    

In [7]:

    

stripper4(prob)


    

    
Out[7]:





'The two problems we face are \nred and yellow and green\nand blue purple and orange \nand 1231 hello 1 2 3'

In [7]:

    

%%file stringtools.py
#!/usr/bin/python
# Filename: stringtools.py
import string

def split_embiggen_sort(sentence):
    '''
    takes a string and removes punctuation 
    splits it into a list of individual words, 
    converts them to uppercase and 
    sorts them in descending order
    '''
    all_converted = embiggen(sentence)
    all_converted = stripper3(all_converted)
    all_converted = divide_at_spaces(all_converted)
    all_converted = big_to_little(all_converted)
    
    return all_converted

def stripper3(sentence):
    '''
    takes a string as input and removes punctuation using list comprehension
    returns a string 
    '''
    res = "".join([x for x in sentence if x not in string.punctuation])
    return res

def embiggen(sentence):
    '''
    convert a string to uppercase and 
    returns a string
    '''
    assert(type(sentence) is str)
    converted = sentence.upper()
    return converted

def divide_at_spaces(sentence):
    '''
    takes a string as input
    splits the string at space characters and 
    returns a list of strings
    '''
    assert(type(sentence) is str)
    chopped = sentence.split()
    return chopped

def big_to_little(bits):
    '''
    sorts a list of words from longest to shortest and return a list
    '''
    assert(type(bits) is list)
    bits.sort(key=len)
    return bits


    

    




Overwriting stringtools.py

In [4]:

    

import stringtools


    

In [2]:

    

stringtools.big_to_little('this is a test string'.split())


    

    
Out[2]:





['a', 'is', 'this', 'test', 'string']

In [44]:

    

big_to_little(bits = problem1)


    

    
Out[44]:





['red',
 'and',
 'and',
 'and',
 'and',
 'green',
 'blue,',
 'yellow',
 'purple',
 'orange!']

In [37]:

    

problem1 = 'red and yellow and green and blue, purple and orange!'.split()


    

In [62]:

    

split_embiggen_sort("The two problems we face are ['red', 'and', 'yellow', 'and', 'green', 'and', 'blue,', 'purple', 'and', 'orange!'] and [1231, 'hello', [1, 2, 3]].")


    

    
Out[62]:





['WE',
 '2,',
 'THE',
 'TWO',
 'ARE',
 'AND',
 '[1,',
 'FACE',
 '3]].',
 "'AND',",
 "'AND',",
 "'AND',",
 "'AND',",
 '[1231,',
 "['RED',",
 'PROBLEMS',
 "'GREEN',",
 "'BLUE,',",
 "'HELLO',",
 "'YELLOW',",
 "'PURPLE',",
 "'ORANGE!']"]

In [38]:

    

problem2 = [1231,'hello',[1,2,3]]


    

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print('The two problems we face are {} and {}.'.format(problem1,problem2))


    

    




The two problems we face are ['red', 'and', 'yellow', 'and', 'green', 'and', 'blue,', 'purple', 'and', 'orange!'] and [1231, 'hello', [1, 2, 3]].

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problem3 = 12345


    

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big_to_little([1231,'hello',[1,2,3]])


    

In [6]:

    

stringtools.stripper3?


    

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