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and: Logical AND operator. Returns True if both operands are true. Example: if x > 5 and y < 10: as: Used in the context of aliasing imports or in a context manager. Example: import math as m assert: Used for debugging purposes to check if a condition is True. Raises an error if the condition is False. Example: assert x > 0, "x must be greater than 0" async: Used to define asynchronous functions that can use the await keyword. Example: async def fetch_data(): except: Used in exception handling to define a block of code that executes when an exception occurs. Example: try: ... except ValueError as ve: ... False: Boolean value representing false. Example: is_raining = False not: Logical NOT operator. Returns True if the operand is false, and vice versa. Example: if not is_raining: or: Logical OR operator. Returns True if either of the operands is true. Example: if x < 0 or y < 0: finally: Used in exception handling to define a block of code that always executes, regardless of whether an exception occurred or not. Example: try: ... except: ... finally: ... for: Used to iterate over a sequence (like a list, tuple, or string) or any iterable object. Example: for num in range(1, 5): pass: Placeholder statement that does nothing. Used when a statement is syntactically required, but no action is needed. Example: def some_function(): pass raise: Used to raise an exception explicitly. Example: raise ValueError("Invalid input") await: Used inside async functions to await the result of another async function. Example: result = await fetch_data() break: Used to exit from a loop prematurely. Example: for num in range(10): if num == 5: break class: Used to define a new class. Example: class Dog: from: Used to import specific attributes or functions from a module. Example: from math import sqrt global: Used to declare a variable inside a function as global, so it can be accessed and modified globally. Example: def some_function(): global x if: Used to define conditional statements. Example: if x > 0: return: Used to return a value from a function. Example: def add(x, y): return x + y True: Boolean value representing true. Example: is_sunny = True try: Used in exception handling to define a block of code to be tested for errors. Example: try: ... except ValueError: ... continue: Used to skip the rest of the loop and start the next iteration. Example: for num in range(10): if num % 2 == 0: continue def: Used to define a new function. Example: def greet(name): ... del: Used to delete references to objects. Example: del my_list[0] elif: Used in conjunction with if, for providing additional conditions to check. Example: if x > 0: ... elif x == 0: ... else: Used in conjunction with if, for providing a block of code to execute when the condition is False. Example: if x > 0: ... else: ... import: Used to import modules or packages. Example: import random is: Used for identity comparison, checking if two variables refer to the same object. Example: if x is None: lambda: Used to define small anonymous functions. Example: multiply = lambda x, y: x * y None: Represents a null or absence of a value. Example: result = None nonlocal: Used to declare a variable that belongs to an enclosing (but non-global) scope, allowing modification in nested functions. Example: def outer_func(): nonlocal x while: Used to define a loop that continues while a condition is True. Example: while count < 10: with: Used to create a context manager to handle resources (e.g., file handling) efficiently. Example: with open("file.txt", "r") as file: yield: Used in generator functions to produce a value and suspend the function's state, allowing resumption later. Example: def countdown(n): yield n
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