Python Intro - I

Introduction into Python.

Assignments are located here.

Getting Started

• Clone this repo into a new directory
• Open this directory with Intellij:
  • File >> Open >> python-intro-I
  • Check checkbox Trust Projects in...
• Open Terminal window (click on Terminal tab at bottom of IntelliJ)
• Create virtual environment: python -m venv venv
  • You should see a new venv directory in the project
• Activate virtual environment: venv\Scripts\activate.bat
  • You should see (env) in the terminal windows
• Install dependecies: pip install -r requirements.txt
• Create a new file called main.py
• Copy contents of main.py.template to main.py
• Update main.py with your student id
• Add Configuration ... Dropdown (Located at the right of green hammer at the top of IDE)
  • Click "+" and select Python
  • Name: Python Intro I
  • Script path: select your main.py file
  • Check: Use specified interpreter: Python 3.10
• Press green "play" button at top of IntelliJ
• Observe TODO: Ex. 1... in the terminal window

Data Types

• Text Type: str
• Numeric Types: int, float, complex
• Sequence Types: list, tuple, range
• Mapping Type: dict
• Set Types: set, frozenset
• Boolean Type: bool
• Binary Types: bytes, bytearray, memoryview
• None Type: NoneType

Call by Value vs Call by Reference

• Mutable types are passed by reference
• Immutable types are passed by value (AKA copy)
• Mutable types:
  • Lists
  • Dictionaries
  • Sets
• Immutable types:
  • Integers
  • Floats
  • Booleans
  • Strings
  • Tuples
  • Frozenset

Videos

• Python for Beginners - Mosh (60m)
• venv (17m)

Links

• W3 Schools
• String Slicing