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Merged
Niolon merged 3 commits into from
Feb 27, 2026
Merged

62 add one slide why modules #68

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d3e1484
update module section
Niolon Feb 27, 2026
a675a50
Merge remote-tracking branch 'origin/dev' into 62-add-one-slide-why-m…
Niolon Feb 27, 2026
4aceb22
Merge remote-tracking branch 'origin/dev' into 62-add-one-slide-why-m…
Niolon Feb 27, 2026
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95 changes: 82 additions & 13 deletions Intermediate.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3961,29 +3961,33 @@
},
{
"cell_type": "markdown",
"id": "9e1c43a8",
"id": "dc4b7323-f4f7-4b51-b6da-f651abf5029e",
"metadata": {
"editable": false,
"slideshow": {
"slide_type": "slide"
"slide_type": ""
},
"tags": [],
"editable": false
"tags": []
},
"source": [
"## Importing _modules_"
"Modules let us:\n",
"- Use code that others have already written and tested\n",
"- Load in only the functionality we need\n",
"- Know exactly where a piece of functionality comes from"
]
},
{
"cell_type": "markdown",
"id": "eed64626",
"id": "9e1c43a8",
"metadata": {
"slideshow": {
"slide_type": ""
"slide_type": "slide"
},
"tags": [],
"editable": false
},
"source": [
"Python comes with hundreds of _modules_ doing all sorts of things. Also, many 3rd-party modules are available to download from the Internet."
"## Importing _modules_"
]
},
{
Expand All @@ -3993,6 +3997,7 @@
"slideshow": {
"slide_type": ""
},
"tags": [],
"editable": false
},
"source": [
Expand Down Expand Up @@ -4087,6 +4092,71 @@
"print(square_root(25))"
]
},
{
"cell_type": "markdown",
"id": "04bec6e4-8e4d-4899-a3c3-c9abd332f275",
"metadata": {
"editable": false,
"slideshow": {
"slide_type": "slide"
},
"tags": []
},
"source": [
"## Why Namespaces Matter\n",
"\n",
"The word `log` means two very different things:"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4de72e4c-2795-4b4d-8542-10729a74f44a",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": ""
},
"tags": []
},
"outputs": [],
"source": [
"import logging\n",
"\n",
"math.log(100, 10) # A logarithm: 2.0\n",
"\n",
"logging.log(20, \"Hello\") # A logbook entry: records a message"
]
},
{
"cell_type": "markdown",
"id": "36f46ead-b9a1-481f-8798-edbfc58b5504",
"metadata": {
"editable": false,
"slideshow": {
"slide_type": ""
},
"tags": []
},
"source": [
"Without namespaces, Python, and your reader, couldn't tell them apart."
]
},
{
"cell_type": "markdown",
"id": "fbf736e6-8dfb-4a00-86fb-5e71de650e9f",
"metadata": {
"editable": false,
"slideshow": {
"slide_type": "fragment"
},
"tags": []
},
"source": [
"----\n",
"This is why importing a whole module into namespace is usually a bad idea:"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand All @@ -4099,24 +4169,23 @@
},
"outputs": [],
"source": [
"# import all functions, variables, and classes from a module into the global namespace\n",
"# - better to avoid this as some names from the module can interfere with your own variable names in the global namespace\n",
"# import all functions, variables, and classes from a module - better to avoid this\n",
"from math import *\n",
"print(int(sqrt(4.0)))"
"print(sqrt(4.0))"
]
},
{
"cell_type": "markdown",
"id": "d1cc0855",
"metadata": {
"slideshow": {
"slide_type": "fragment"
"slide_type": "slide"
},
"tags": [],
"editable": false
},
"source": [
"---\n",
"## Getting help\n",
"To get help on a module at the Python shell, import it the whole (the very first way), then you can..."
]
},
Expand Down
111 changes: 98 additions & 13 deletions Intermediate_full.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4077,27 +4077,32 @@
},
{
"cell_type": "markdown",
"id": "9e1c43a8",
"id": "dc4b7323-f4f7-4b51-b6da-f651abf5029e",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": "slide"
"slide_type": ""
},
"tags": []
},
"source": [
"## Importing _modules_"
"Modules let us:\n",
"- Use code that others have already written and tested\n",
"- Load in only the functionality we need\n",
"- Know exactly where a piece of functionality comes from"
]
},
{
"cell_type": "markdown",
"id": "eed64626",
"id": "9e1c43a8",
"metadata": {
"slideshow": {
"slide_type": ""
}
"slide_type": "slide"
},
"tags": []
},
"source": [
"Python comes with hundreds of _modules_ doing all sorts of things. Also, many 3rd-party modules are available to download from the Internet."
"## Importing _modules_"
]
},
{
Expand All @@ -4106,7 +4111,8 @@
"metadata": {
"slideshow": {
"slide_type": ""
}
},
"tags": []
},
"source": [
"There are several ways of importing _modules_:"
Expand Down Expand Up @@ -4200,6 +4206,86 @@
"print(square_root(25))"
]
},
{
"cell_type": "markdown",
"id": "04bec6e4-8e4d-4899-a3c3-c9abd332f275",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": "slide"
},
"tags": []
},
"source": [
"## Why Namespaces Matter\n",
"\n",
"The word `log` means two very different things:"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4de72e4c-2795-4b4d-8542-10729a74f44a",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": ""
},
"tags": []
},
"outputs": [],
"source": [
"import logging\n",
"\n",
"math.log(100, 10) # A logarithm: 2.0\n",
"\n",
"logging.log(20, \"Hello\") # A logbook entry: records a message"
]
},
{
"cell_type": "markdown",
"id": "36f46ead-b9a1-481f-8798-edbfc58b5504",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": ""
},
"tags": []
},
"source": [
"Without namespaces, Python, and your reader, couldn't tell them apart."
]
},
{
"cell_type": "markdown",
"id": "ccbef34a-9226-4735-859d-378640ee9cc7",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": "notes"
},
"tags": []
},
"source": [
"<ins>Notes:</ins>\n",
"- In JupyterLite, logging output is suppressed by default unless you explicitly configure a handler."
]
},
{
"cell_type": "markdown",
"id": "fbf736e6-8dfb-4a00-86fb-5e71de650e9f",
"metadata": {
"editable": true,
"slideshow": {
"slide_type": "fragment"
},
"tags": []
},
"source": [
"----\n",
"This is why importing a whole module into namespace is usually a bad idea:"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand All @@ -4212,23 +4298,22 @@
},
"outputs": [],
"source": [
"# import all functions, variables, and classes from a module into the global namespace\n",
"# - better to avoid this as some names from the module can interfere with your own variable names in the global namespace\n",
"# import all functions, variables, and classes from a module - better to avoid this\n",
"from math import *\n",
"print(int(sqrt(4.0)))"
"print(sqrt(4.0))"
]
},
{
"cell_type": "markdown",
"id": "d1cc0855",
"metadata": {
"slideshow": {
"slide_type": "fragment"
"slide_type": "slide"
},
"tags": []
},
"source": [
"---\n",
"## Getting help\n",
"To get help on a module at the Python shell, import it the whole (the very first way), then you can..."
]
},
Expand Down