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Merge pull request #9 from marimo-team/haleshot/modular-programming
Browse files
Python/phase_4/modular_programming.py
ADDED
@@ -0,0 +1,233 @@
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# /// script
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# requires-python = ">=3.10"
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# dependencies = [
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# "marimo",
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# ]
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# ///
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import marimo
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__generated_with = "0.10.16"
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app = marimo.App()
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@app.cell
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def _():
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import marimo as mo
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return (mo,)
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@app.cell(hide_code=True)
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def _(mo):
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mo.md(
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"""
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# 🧩 Modular Programming in Python
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Unlock the power of organized, reusable, and maintainable code!
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## Why Modular Programming?
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- Break complex problems into smaller, manageable pieces
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- Improve code readability
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- Enhance code reusability
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- Easier debugging and maintenance
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"""
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)
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return
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@app.cell(hide_code=True)
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def _(mo):
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mo.md(
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"""
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## Standard Library Imports
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Python's standard library provides powerful, pre-built modules:
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```python
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# String manipulation
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import string
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# Operating system interactions
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import os
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# Date and time handling
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import datetime
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# Mathematical operations
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import math
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```
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For more details, check the [Python Standard Library Documentation](https://docs.python.org/3/library/)
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"""
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)
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return
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@app.cell
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def _():
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# importing and using standard library modules
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import string
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import os
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import datetime
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import math
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# Example of using imported modules
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def demonstrate_standard_library_usage():
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# String module: get all punctuation
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punctuation_example = string.punctuation
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# OS module: get current working directory
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current_dir = os.getcwd()
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# Datetime module: get current date
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today = datetime.date.today()
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# Math module: calculate square root
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sqrt_example = math.sqrt(16)
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return {
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"Punctuation": punctuation_example,
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"Current Directory": current_dir,
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"Today's Date": today,
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"Square Root Example": sqrt_example
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}
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# Run the demonstration
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module_usage_examples = demonstrate_standard_library_usage()
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module_usage_examples
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return (
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datetime,
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demonstrate_standard_library_usage,
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math,
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module_usage_examples,
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os,
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string,
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)
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@app.cell(hide_code=True)
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def _(mo):
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mo.md(
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"""
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## Import Strategies
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Multiple ways to import and use modules:
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```python
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# Import entire module
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import math
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# Import specific functions
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from math import sqrt, pow
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# Import with alias
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import math as m
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```
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"""
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)
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return
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@app.cell
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def _():
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def demonstrate_import_strategies():
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"""
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Demonstrate different import strategies using the math module
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"""
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# Strategy 1: Import entire module
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import math
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entire_module_result = math.sqrt(25)
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# Strategy 2: Import specific functions
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from math import pow, sqrt
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specific_import_result = pow(2, 3)
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# Strategy 3: Import with alias
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import math as m
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alias_result = m.sqrt(16)
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return {
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"Entire Module Import": entire_module_result,
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"Specific Function Import": specific_import_result,
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"Alias Import": alias_result
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}
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# Run the import strategy demonstration
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import_strategy_examples = demonstrate_import_strategies()
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import_strategy_examples
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return demonstrate_import_strategies, import_strategy_examples
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@app.cell(hide_code=True)
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def _(mo):
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mo.md(
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"""
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## Code Reusability
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Create functions that can be used across different parts of your project
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"""
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)
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return
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@app.cell
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def _():
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def generate_reusable_functions():
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"""
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Demonstrate different types of reusable functions
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"""
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def process_text(text):
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'''Reusable text processing function'''
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return text.strip().lower()
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def normalize_number(value, min_val=0, max_val=100):
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'''Normalize a number to a specific range'''
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return max(min_val, min(max_val, value))
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def validate_input(value, type_check=str, min_length=1):
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'''Validate input based on type and minimum length'''
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if not isinstance(value, type_check):
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return False
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return len(str(value)) >= min_length
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# usage
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return {
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"Text Processing": {
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"Example 1": process_text(" John Doe "),
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"Example 2": process_text(" [email protected] ")
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},
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"Number Normalization": {
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"Oversized Input": normalize_number(150),
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"Negative Input": normalize_number(-10, min_val=-20, max_val=50)
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},
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"Input Validation": {
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"Username Validation": validate_input("john"),
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"Age Validation": validate_input(25, type_check=int)
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}
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}
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+
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# Run the reusable functions demonstration
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reusable_function_examples = generate_reusable_functions()
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reusable_function_examples
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return generate_reusable_functions, reusable_function_examples
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+
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212 |
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@app.cell(hide_code=True)
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def _(mo):
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callout_text = mo.md("""
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+
## Your Modular Programming Journey!
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217 |
+
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218 |
+
Next Steps:
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219 |
+
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220 |
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- Explore Python's standard library
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221 |
+
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222 |
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- Practice different import strategies
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223 |
+
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224 |
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- Design reusable functions
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""")
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mo.callout(callout_text, kind="success")
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return (callout_text,)
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if __name__ == "__main__":
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app.run()
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