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What Is Operation
This section provides a quick introduction operations. An operation is a sequence of lexical tokens in Python source code that invokes a predefined action on one or two data objects.
2022-10-01, ∼208🔥, 0💬

SciPy - Python Library for Mathematical Functions
This section provides a tutorial example on how to install Python 3 SciPy library on macOS computers. SciPy is widely used by Python users for mathematical functions required in neural network models.
2022-10-01, ∼206🔥, 0💬

Introduction to Conda Environment
This section provides a quick introduction about the Conda environment, its file directories and command programs. Steps to verify its Python version, and install new packages.
2022-10-01, ∼205🔥, 0💬

What Is 'pandas'
This section describes what is 'pandas' and how to install 'pandas' with 'pip' command.
2022-10-01, ∼204🔥, 0💬

"import module" - Two-Step Process
This section describes the two-step process of the 'import module' statement execution.
2022-10-01, ∼204🔥, 0💬

Python on macOS Computers
This chapter provides tutorial examples and notes about using Python on macOS Computers. Topics include verifying Python installation; running Python scripts in different ways; installing newer version of Python; using 'pip' to install Python additional packages.
2022-10-01, ∼203🔥, 0💬

What Is __all__ List
This section provides a quick introduction on __all__ list, which is a special module attribute defined in the module file to override which members can be implicitly imported by the 'from module import *' statement.
2022-10-01, ∼203🔥, 0💬

pandas - Data Analysis and Manipulation
This chapter provides introductions and tutorials on 'pandas', a powerful Python data analysis toolkit. Topics include installing 'pandas', introduction of the 'pandas.DataFrame' class.
2022-10-01, ∼201🔥, 0💬

"if" Statement for Conditional Execution
This section provides a quick introduction of 'if' statement, which selects a block of sub-statements to execute based on given conditions.
2022-10-01, ∼199🔥, 0💬

"pathlib" - Object-Oriented Filesystem Paths
This chapter provides introductions and tutorial examples about 'pathlib' module. Topics include creating file path objects; manipulating file path components; managing files pointed by file paths.
2022-10-01, ∼197🔥, 0💬

Variables, Operations and Expressions
This chapter provides introductions and tutorial examples about expressions. Topics include introductions to variables, operations and expressions; operation precedences and execution order.
2022-10-01, ∼197🔥, 0💬

pip3 - Package Installer for Python 3
This section provides a tutorial example on how to use pip3 (Package Installer for Python 3) to manage and install packages.
2022-10-01, ∼194🔥, 0💬

File Input and Output for DataFrame
This section describes pandas.DataFrame/pandas.core.f rame.DataFrameclass, which represents a table of data with rows and columns.
2022-10-01, ∼194🔥, 0💬

Assignment Expression - Walrus Operation
This section provides a quick introduction on assignment expression, which assigns an object to a variable and returns the object at the same time.
2022-10-01, ∼194🔥, 0💬

What Are Module Members
This section provides a quick introduction module members, which refer to variables (or attributes), functions and classes defined in a given module. 'dir(module)' function can be used to list all members in a given module.
2022-10-01, ∼193🔥, 0💬

What Is Variable
This section provides a quick introduction variables. A variable in Python is a symbolic name of a data object.
2022-10-01, ∼192🔥, 0💬

Classes and Instances
This chapter provides introductions and tutorial examples about classes and instances. Topics include introduction of class, instance, attribute and method; using 'class' statement; using __init__() method; differences between class attributes and instance attributes.
2022-10-01, ∼192🔥, 0💬

Conditional Expression - Ternary Operation
This section provides a quick introduction on conditional expression, which tests a Boolean object and returns one of two given objects.
2022-10-01, ∼190🔥, 0💬

Use "os" Module to Manage Files
This section describes methods from the 'os' module for managing files.
2022-10-01, ∼189🔥, 0💬

Introduction to Data Type
This section provides a quick introduction of Python basic data types including NoneType, bool, int, float, bytes, str, tuple, list, dict, etc.
2022-10-01, ∼189🔥, 0💬

What Is Expression
This section provides a quick introduction of expressions. An expression is a sequence of lexical tokens in Python source code that expresses a single object, a single operation, or multiple operations executed sequentially.
2022-10-01, ∼186🔥, 0💬

What Is Module
This section provides a quick introduction of module, which is an object of the 'module' data type that can store attributes, functions, classes and sub-modules.
2022-10-01, ∼185🔥, 0💬

Common Features of All Data Types
This section describes some common features of all data types: unique identifiers, id(object) and type(object) functions, data type categories, casting to Boolean values, etc.
2022-10-01, ∼184🔥, 0💬

"del" Statement - Delete Statement
This section provides a quick introduction of 'del' (delete) statement, which is a simple statement that deletes the definitions of given targets and their associated object references.
2022-10-01, ∼184🔥, 0💬

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