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python-lessons

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Exercises and code snippets to share with my students

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최종 버전 다운로드 (.zip)

- lesson05_apis.py
- lesson01_pbj.py
- lesson01_twitter.py
- lesson02_99bottles.py
- lesson02_fibonnaci.py
- lesson02_fizzbuzz.py
- lesson02_movies.py
- lesson02_pbj_while.py
- lesson02_states.py
- lesson03_compare.py
- lesson03_contacts.py
- lesson03_states.py
- lesson04_csvtolist.py
- lesson04_deduplicate.py
- lesson04_group_csvtodict.py
- lesson05_firstapi.py
- basic_syntax.py
- data_types.py
- simple_math.py
- variable_assignment.py
- is_alphaspace.py
- slicing.py
- string_count.py
- string_find.py
- string_format.py
- string_lower.py
- string_replace.py
- happy_hour.py
- life.py
- volunteer_recruitment.py
- list_basics.py
- list_deduplicate.py
- 12days.py
- calendar.py
- enumerate.py
- for_quadrants.py
- loops.py
- loops_gif.py
- movies.csv
- states.html
- while_menu.py
- while_quadrants.py
- zip_bingo.py
- join.py
- quadrants_exercise.py
- split.py
- all_employees.csv
- class-stats.csv
- contacts.csv
- read_csv.csv
- read_csv.py
- read_text.py
- state_info.csv
- states.csv
- states.txt
- states_enumerate.py
- states_pop.txt
- survey.csv
- with_open.py
- write_population.py
- csv_to_dict.py
- division.py
- dropdown_states.py
- events.csv
- film_screening_attendees.txt
- happy_hour_attendees.txt
- lessons.txt
- open_csvfile.py
- remove_duplicates.py
- textfile_to_string.py
- dict_access.py
- dict_exercise.py
- dict_exercise_2.py
- dict_get.py
- dict_items.py
- dict_keys.py
- dict_update.py
- dict_values.py
- nested_access.py
- contacts.json
- dict_to_json.py
- dicts_and_lists.py
- json_to_dict.py
- using_requests.py
- exceptions_01.py
- exceptions_02.py
- exceptions_03.py
- exceptions_04.py
- exceptions_05.py
- exceptions_06.py
- exceptions_07.py
- exceptions_08.py
- multiple_exceptions.py
- quadrant.py
- timestamp.py
.gitignore
contacts.json
installing_pip.md
LICENSE
README.md
start-here.md

// repository documentation

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## First time installing/running Python? Be sure to check out the Start Here guide: https://github.com/shannonturner/python-lessons/blob/master/start-here.md

In here are code snippets, examples, and other ways to help teach some of the concepts and tricks in Python.

## Slides are available to download here: https://github.com/hearmecode/slides

#### Suggested Learning Progression

If you're new to Python you may wonder what you should learn and when you should learn it.  I recommend this order seen below.  **Each section below has its own folder above; each bullet point has its own file within that folder.**

So if you wanted to learn more about variable assignment, go to the folder **section_01_(basics)** and open up **variable_assignment.py**

#### Section 1: General Programming Basics
- Simple Math
- Variable Assignment
- Basic Syntax and Logic
- Data Types: int, float, bool, str

#### Section 2: Strings
- Identifying and using strings
- String slicing
- String formatting
- String methods
- - str.replace()
- - str.find()
- - str.count()
- - str.lower()

#### Section 3: Conditionals
- Logical control; changing the behavior of your programs
- and keyword, or keyword
- if / else structure
- if / elif ... / else structure
- Nesting conditionals

#### Section 4: Lists
- Containers for data types
- First In, Last Out (Stack)
- Accessing specific list items through index (slice notation)
- List methods
- - list.append()
- - list.insert()
- - list.pop()
- - list.extend()
- Finding items in list (in keyword)
- Deduplicating a list using list(set(list_to_deduplicate))

#### Section 5: Loops
- for loop (for each item in a list: ...)
- enumerate()
- zip()
- range()
- while loop (ask each time: is this still true?)

#### Section 6: Strings to Lists and Vice-Versa
- str.join() (create a string from a list)
- str.split() (create a list from a string)

#### Section 7: File handling
- with open(filename) as textfile: ...
- file.read()
- Reading text files 
- Reading CSV files
- File handling flags (r, w, b, +)
- Writing to files

#### Section 8: Python's Most Commonly Used Built-in Functions
- - Types (used primarily for converting one type to another)
- int()
- float()
- str()
- bool()
- list()
- set()
- dict()
- - Comparison and Calculation
- abs()
- len()
- max()
- min()
- round()
- sum()
- - Loop (Sequence) Control
- enumerate()
- range() / xrange()
- reversed()
- sorted()
- zip()

#### Section 9: Functions
- def keyword
- arguments
- default arguments
- *args
- **kwargs
- return keyword
- sequence unpacking (return and receive multiple values)
- namespaces

#### Section 10: Dictionaries
- Accessing specific dictionary items through key (looks like a slice)
- Accessing all keys as a list using .keys()
- Faking a sorted dictionary by using sorted() on the .keys()
- Accessing all values as a list using .values()
- Accessing all key, value pairs as a list using .items()
- Adding new items through .fromkeys()
- Checking for whether a key exists with .has_key
- Using .get() to safely get a key's value if it exists without getting an error if not
- Adding new items with direct assignment and .update()

#### Section 11: Dictionaries and Lists, together
- Accessing specific items in a nested list
- Accessing specific items in a nested dictionary
- Accessing specific items in a nested list within a dictionary
- Accessing specific items in a nested dictionary within a list
- If you can do those four above, you can handle receiving JSON API returns

#### Section 12: Standard Library
- import keyword
- from ... import ... as ... structure
- time
- random
- math
- re (regular expressions)
- os
- sys
- json

#### Section 13: External Libraries (Not necessarily in order; keep these in mind)
- Installing external libraries with easy_install
- Using easy_install to install pip (an easier / better way to install external libraries)
- requests (web crawling made easy)
- BeautifulSoup (parsing HTML)
- xlrd (Read Excel .xls files)
- xlwt (Write to Excel .xls files)
- xlsxwriter (Write to Excel .xls and .xlsx files, with additional functionality beyond xlwt)
- cherrypy (Simple, lightweight framework for serving web pages)
- psycopg2 (Connect to and issue SQL commands to your postgresql database)

#### Section 14: Exception Handling
- try / except syntax
- Using multiple excepts
- Recognizing the different error types
- Exception, the generic exception type (use sparingly)
- Nesting exception handling
- try / except / else syntax

#### Section 15: Intermediate Concepts
- List Comprehensions
- Inline Conditionals
- Generators

#### Section 16: Classes
- Classes
- Magic Methods