Vocabulary Library

Boolean literal representing the false value. One of Python's two boolean constants.

Represents the absence of a value or a null value. Python's equivalent of null.

Boolean literal representing the true value. One of Python's two boolean constants.

Logical AND operator. Returns True if both operands are true.

Creates an alias when importing modules or in with statements.

Tests a condition and raises AssertionError if it is false. Used for debugging.

Declares an asynchronous function or context manager.

Pauses execution of an async function until the awaited coroutine completes.

Exits the nearest enclosing loop immediately.

Defines a new class — a blueprint for creating objects.

Skips the rest of the current loop iteration and continues with the next.

Defines a new function.

Deletes an object, variable, or item from a list/dict.

Else-if branch in a conditional chain.

Fallback branch when no if/elif condition is true.

Catches exceptions raised in a try block.

Block that always executes after try/except, regardless of outcome.

Iterates over a sequence (list, tuple, string, range, etc.).

Imports specific names from a module.

Declares a variable as global scope inside a function.

Conditional statement — executes a block only if the condition is true.

Imports a module into the current namespace.

Tests membership in a sequence or iterable.

Tests object identity (same object in memory, not just equal value).

Creates a small anonymous function in a single expression.

Logical NOT operator. Inverts a boolean value.

Logical OR operator. Returns True if at least one operand is true.

A null statement — does nothing. Used as a placeholder.

Raises an exception manually.

Exits a function and optionally returns a value to the caller.

Begins a block of code to test for errors.

Repeats a block as long as a condition is true.

Wraps code in a context manager for resource management.

Pauses a generator function and returns a value to the caller.

Returns the number of items in an object (string, list, dict, etc.).

Prints objects to the standard output stream.

Generates a sequence of numbers.

Returns the type of an object.

Creates a list from an iterable.

Creates a dictionary from keyword arguments or an iterable of key-value pairs.

Converts an object to its string representation.

Converts a value to an integer.

Converts a value to a floating-point number.

Returns an enumerate object yielding (index, value) pairs.

Combines multiple iterables into tuples.

Applies a function to every item in an iterable.

Filters items from an iterable based on a function.

Returns a new sorted list from an iterable.

Opens a file and returns a file object.

A concise way to create lists using a single expression with optional filtering.

A function that wraps another function to modify its behavior.

A function that yields values lazily, one at a time, using yield.

Formatted string literals that embed expressions inside curly braces.

A class that inherits attributes and methods from a parent class.