alexander/intro-to-python
Watch
1
1
Fork
You've already forked intro-to-python
 0
Code Issues Pull requests Releases Activity

Streamline previous content

Browse source
This commit is contained in:
Alexander Hess 2019-11-20 11:00:24 +01:00
commit ca8fefdce1
13 changed files with 5091 additions and 3409 deletions
Download patch file Download diff file Expand all files Collapse all files

22
05_numbers_review_and_exercises.ipynb
View file

@ -156,7 +156,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"**Q9**: How can **abstract data types**, for example, as defined in the **numerical tower**, be helpful in enabling **duck typing**?"
"**Q9**: How can **abstract base classes**, for example, as defined in the **numerical tower**, be helpful in enabling **duck typing**?"
]
},
{
@ -519,7 +519,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"**Q19.7**: Re-write the function `discounted_price()` from [Chapter 3's Review & Exercises](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/03_conditionals_review_and_exercises.ipynb#Discounting-Customer-Orders) section!\n",
"**Q19.7**: Rewrite the function `discounted_price()` from [Chapter 3's Review & Exercises](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/master/03_conditionals_review_and_exercises.ipynb#Discounting-Customer-Orders) section!\n",
"\n",
"It takes the *positional* arguments `unit_price` and `quantity` and implements a discount scheme for a line item in a customer order as follows:\n",
"\n",
@ -530,7 +530,7 @@
"\n",
"The function then returns the overall price for the line item as a `Decimal` number with a precision of *two* decimals.\n",
"\n",
"Enable **duck typing** by allowing the function to be called with various numeric types as the arguments, in particular, `quantity` may be a non-integer as well: Use an appropriate **abstract data type** from the [numbers](https://docs.python.org/3/library/numbers.html) module in the [standard library](https://docs.python.org/3/library/index.html) to verify the arguments' types and also that they are both positive!\n",
"Enable **duck typing** by allowing the function to be called with various numeric types as the arguments, in particular, `quantity` may be a non-integer as well: Use an appropriate **abstract base class** from the [numbers](https://docs.python.org/3/library/numbers.html) module in the [standard library](https://docs.python.org/3/library/index.html) to verify the arguments' types and also that they are both positive!\n",
"\n",
"It is considered a *best practice* to only round towards the *end* of the calculations."
]
@ -551,22 +551,6 @@
"outputs": [],
"source": [
"def discounted_price(...):\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ...\n",
" ..."
]
},