The Python standard library provides a number of useful functions for working with numbers and numeric data.
- [Instructor] The Python Standard Library provides…a rich set of built-in functions for working with numbers.…Here in Komodo I've opened a working copy of types.py…from chapter 13 of the exercise files.…And you notice here down on line four,…we're initializing x with a literal string…with the digits four and seven in them,…and then I'm using the int function…and what's interesting about the int function is it's…actually not a function it's a constructor for the int type…and it'll return an int from another type.…
And so when I run this, you'll notice that…we're printing out down here on line seven,…we're printing the type of x and the value of x…and the type of y and the value of y…and we see that x is a string and y is an int.…And so we're converting a string to an int by calling…the int function which is actually the int constructor.…Likewise there is a float constructor…and when I run this you'll notice that our result y is 47.0…'cause that's the standard way to represent…a floating number with a decimal point…
- Python anatomy
- Types and values
- Conditionals and operators
- Building loops
- Defining functions
- Python data structures: lists, tuples, sets, and more
- Creating classes
- Handling exceptions
- Working with strings
- File input/output (I/O)
- Creating modules
- Integrating a database with Python db-api
Skill Level Intermediate
Python: Programming Efficiently (2017)with Michele Vallisneri2h 15m Intermediate
2. Language Overview
3. Types and Values
8. Structured Data
11. String Objects
12. File I/O
13. Built-in Functions
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