Introduction to python
2 likes703 views
This document provides an introduction and overview of Python including sections on syntax, lists and dictionaries, for loops, and implementation examples. The introduction covers that Python code is indented using whitespace rather than brackets, semicolons are optional, and data types do not need declaration. Lists are described as arrays that can hold different data types indexed by number, while dictionaries hold key-value pairs indexed by keys that can be numbers, strings, or other data types. For loops in Python iterate over each item in a list or dictionary without needing an explicit condition. The implementation section provides examples of using for loops over lists, creating and accessing a dictionary of fruits, and making lists of dictionaries to demonstrate Python concepts.
![Introduction to Python
[ ]
[1,2,3,4,5]
[ “abc”, ”def”, ”ghi”]
[1, ”abc”, 1.253, [1,2,3], {“xyz”:”hahaha”} ]
List
int string float list dictionary](https://image.slidesharecdn.com/introductiontopython-161216010149/85/Introduction-to-python-11-320.jpg)
![Introduction to Python
List and Dictionary
[ “apple”, “red”, “3” ]
{ “fruit”:“apple”, “color”:“red”, “amount”:“3” }
Key : 0 1 2
Value: apple red 3
Key : fruit color amount
Value: apple red 3](https://image.slidesharecdn.com/introductiontopython-161216010149/85/Introduction-to-python-15-320.jpg)
Introduction to python
- 1. Introduction to Python Introduction to Python Yi-Fan Chu, 2016 Social Network Application Department of Computer Science, University of Taipei
- 2. Introduction to Python Overviews 1.Introduction 2.Syntax 3.List and Dictionary 4.For loop 5.Implementation
- 3. Introduction to Python Beautiful, Simple, Explicit… Rapid development Item by item Introduction
- 4. Introduction to Python Overviews 1.Introduction 2.Syntax 3.List and Dictionary 4.For loop 5.Implementation
- 5. Introduction to Python Semicolon is not needed. Data type declaration is not needed. Indented with logic Syntax
- 6. 3.Indented with logic 1.Semicolon is not needed 2. Data type declaration is not needed.
- 7. Introduction to Python Indented with logic Different indentation with different result.
- 8. Introduction to Python Overviews 1.Introduction 2.Syntax 3.List and Dictionary 4.For loop 5.Implementation
- 9. Introduction to Python Data Structure to save data, just like “array” With different index List and Dictionary
- 10. Introduction to Python Array Different data type items in the same list List
- 11. Introduction to Python [ ] [1,2,3,4,5] [ “abc”, ”def”, ”ghi”] [1, ”abc”, 1.253, [1,2,3], {“xyz”:”hahaha”} ] List int string float list dictionary
- 12. Introduction to Python Key-Value Key : int, float, string Value : int, float, string, list, dictionary Dictionary
- 13. Introduction to Python { Key : Value } { Key : Value, Key : Value, Key : Value…} Dictionary
- 14. Introduction to Python { Key : Value } { “name” : “Apple”, “color” : “red”, “amonut” : 3 } Dictionary Key Value
- 15. Introduction to Python List and Dictionary [ “apple”, “red”, “3” ] { “fruit”:“apple”, “color”:“red”, “amount”:“3” } Key : 0 1 2 Value: apple red 3 Key : fruit color amount Value: apple red 3
- 16. Introduction to Python Overviews 1.Introduction 2.Syntax 3.List and Dictionary 4.For loop 5.Implementation
- 17. Introduction to Python Item by item Without entering condition For loop
- 18. Introduction to Python for( int i; i < 10; i++){ blah blah blah; } For loop for item in list/dictionary: item = item + 1 C / Java Python With Condition Without Condition
- 19. Introduction to Python Overviews 1.Introduction 2.Syntax 3.List and Dictionary 4.For loop 5.Implementation
- 20. Introduction to Python Implementation Checkpoint1 : For loop Checkpoint2 : List of Dictionary
- 21. Introduction to Python Implementation Setup environment Making lists of number and strings Try to use for loop Making a directory of fruit print something from directory
- 22. Introduction to Python Set your env like this If you’d like to edit by vim, just go ahead!
- 23. Introduction to Python Create a new file. Sublime Text 2 / File / New File
- 24. Introduction to Python Save the file on Desktop. Sublime Text 2 / File / Save
- 25. Introduction to Python Make two lists. A list for int, a list for strings.
- 26. Introduction to Python Try the for loop. For every number in list a…
- 27. Introduction to Python Go to Desktop and execute. What do you think the result is?
- 28. Introduction to Python Result Is the result same as you think?
- 29. Introduction to Python Make a dictionary of fruit.
- 30. Introduction to Python Execute again. What do you think the result is?
- 31. Introduction to Python Execute again. Is the result same as you think?
- 32. Introduction to Python Implementation Checkpoint1 : For loop Checkpoint2 : List of Dictionary
- 33. Introduction to Python Make a list of dictionary.
- 34. Introduction to Python Put some data in them.
- 35. Introduction to Python Let’s try some “if”,“else”
- 36. Introduction to Python Execute again
- 37. Introduction to Python Result Is the result same as you think?