Data and AI Central’s Post

𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗶𝘀𝘁 𝗠𝗲𝘁𝗵𝗼𝗱𝘀 𝗙𝗿𝗼𝗺 𝗮 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 𝗔𝗻𝗴𝗹𝗲 Let's dive in with some real-world analogies and examples! 🔹 𝗮𝗽𝗽𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗣𝗮𝗿𝘁𝘆 𝗣𝗹𝗮𝗻𝗻𝗲𝗿 Imagine you're organizing a party. As you think of more friends to invite, you keep adding them to your guest list. In Python, this is just like using 𝚊𝚙𝚙𝚎𝚗𝚍(). It adds an element to the end of the list. guest_list = ['Alice', 'Bob'] guest_list.append('Charlie') print(guest_list)  # Output: ['Alice', 'Bob', 'Charlie'] 🔹 𝗲𝘅𝘁𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗠𝗲𝗿𝗴𝗶𝗻𝗴 𝗼𝗳 𝗧𝗿𝗶𝗯𝗲𝘀 Think of two music bands deciding to perform together. They merge their members into one big band. Similarly, 𝚎𝚡𝚝𝚎𝚗𝚍() merges one list into another. band_one = ['Drummer', 'Guitarist'] band_two = ['Singer', 'Bassist'] band_one.extend(band_two) print(band_one)  # Output: ['Drummer', 'Guitarist', 'Singer', 'Bassist'] 🔹 𝗿𝗲𝗺𝗼𝘃𝗲() - 𝗦𝗽𝗿𝗶𝗻𝗴 𝗖𝗹𝗲𝗮𝗻𝗶𝗻𝗴 Ever cleaned your room and removed items you no longer need? 𝚛𝚎𝚖𝚘𝚟𝚎() does this for lists, eliminating the first occurrence of a specified element. items = ['books', 'pen', 'notebook', 'pen'] items.remove('pen') print(items)  # Output: ['books', 'notebook', 'pen'] 🔹 𝗽𝗼𝗽() - 𝗧𝗵𝗲 𝗦𝘂𝗿𝗽𝗿𝗶𝘀𝗲 𝗕𝗼𝘅 Imagine a box where you take out the topmost item without knowing what it is. 𝚙𝚘𝚙() removes and returns the last element of the list (or a specified index). colors = ['red', 'green', 'blue'] print(colors.pop())  # Output: 'blue' print(colors)  # Output: ['red', 'green'] 🔹 𝘀𝗼𝗿𝘁() - 𝗧𝗵𝗲 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗮𝗻’𝘀 𝗠𝗲𝘁𝗵𝗼𝗱 Think of a librarian arranging books in alphabetical order. 𝚜𝚘𝚛𝚝() arranges elements of the list in a specific order (default is ascending). numbers = [3, 1, 4, 1, 5, 9] numbers.sort() print(numbers)  # Output: [1, 1, 3, 4, 5, 9] 🔹 𝗿𝗲𝘃𝗲𝗿𝘀𝗲() - 𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝘃𝗲𝗹𝗲𝗿’𝘀 𝗚𝗹𝗶𝗺𝗽𝘀𝗲 Ever wished to rewind your day and revisit events in reverse? That's what 𝚛𝚎𝚟𝚎𝚛𝚜𝚎() does to a list. timeline = ['morning', 'afternoon', 'evening'] timeline.reverse() print(timeline)  # Output: ['evening', 'afternoon', 'morning'] 🔹 𝗶𝗻𝗱𝗲𝘅() - 𝗧𝗵𝗲 𝗧𝗿𝗲𝗮𝘀𝘂𝗿𝗲 𝗛𝘂𝗻𝘁 Finding a specific item in a cluttered room can be a challenge. Similarly, 𝚒𝚗𝚍𝚎𝚡() helps find the position of an element in the list. fruits = ['apple', 'banana', 'cherry'] print(fruits.index('banana'))  # Output: 1 🔹 𝗰𝗼𝘂𝗻𝘁() - 𝗧𝗵𝗲 𝗣𝗼𝗹𝗹 𝗧𝗮𝗸𝗲𝗿 Ever conducted a poll and counted votes for each option? 𝚌𝚘𝚞𝚗𝚝() does this for occurrences of an element in a list. votes = ['yes', 'no', 'yes', 'yes', 'no'] print(votes.count('yes'))  # Output: 3

👀 look what I Found! The simple representation of Python List Methods.

very much creatively presented which helps learners to quickly get the result.

Python List Methods

𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗶𝘀𝘁 𝗠𝗲𝘁𝗵𝗼𝗱𝘀 𝗙𝗿𝗼𝗺 𝗮 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 𝗔𝗻𝗴𝗹𝗲 🐍 Let's dive in with some real-world analogies and examples! 🔹 𝗮𝗽𝗽𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗣𝗮𝗿𝘁𝘆 𝗣𝗹𝗮𝗻𝗻𝗲𝗿 Imagine you're organizing a party. As you think of more friends to invite, you keep adding them to your guest list. In Python, this is just like using 𝚊𝚙𝚙𝚎𝚗𝚍(). It adds an element to the end of the list. guest_list = ['Alice', 'Bob'] guest_list.append('Charlie') print(guest_list) # Output: ['Alice', 'Bob', 'Charlie'] 🔹 𝗲𝘅𝘁𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗠𝗲𝗿𝗴𝗶𝗻𝗴 𝗼𝗳 𝗧𝗿𝗶𝗯𝗲𝘀 Think of two music bands deciding to perform together. They merge their members into one big band. Similarly, 𝚎𝚡𝚝𝚎𝚗𝚍() merges one list into another. band_one = ['Drummer', 'Guitarist'] band_two = ['Singer', 'Bassist'] band_one.extend(band_two) print(band_one) # Output: ['Drummer', 'Guitarist', 'Singer', 'Bassist'] 🔹 𝗿𝗲𝗺𝗼𝘃𝗲() - 𝗦𝗽𝗿𝗶𝗻𝗴 𝗖𝗹𝗲𝗮𝗻𝗶𝗻𝗴 Ever cleaned your room and removed items you no longer need? 𝚛𝚎𝚖𝚘𝚟𝚎() does this for lists, eliminating the first occurrence of a specified element. items = ['books', 'pen', 'notebook', 'pen'] items.remove('pen') print(items) # Output: ['books', 'notebook', 'pen'] 🔹 𝗽𝗼𝗽() - 𝗧𝗵𝗲 𝗦𝘂𝗿𝗽𝗿𝗶𝘀𝗲 𝗕𝗼𝘅 Imagine a box where you take out the topmost item without knowing what it is. 𝚙𝚘𝚙() removes and returns the last element of the list (or a specified index). colors = ['red', 'green', 'blue'] print(colors.pop()) # Output: 'blue' print(colors) # Output: ['red', 'green'] 🔹 𝘀𝗼𝗿𝘁() - 𝗧𝗵𝗲 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗮𝗻’𝘀 𝗠𝗲𝘁𝗵𝗼𝗱 Think of a librarian arranging books in alphabetical order. 𝚜𝚘𝚛𝚝() arranges elements of the list in a specific order (default is ascending). numbers = [3, 1, 4, 1, 5, 9] numbers.sort() print(numbers) # Output: [1, 1, 3, 4, 5, 9] 🔹 𝗿𝗲𝘃𝗲𝗿𝘀𝗲() - 𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝘃𝗲𝗹𝗲𝗿’𝘀 𝗚𝗹𝗶𝗺𝗽𝘀𝗲 Ever wished to rewind your day and revisit events in reverse? That's what 𝚛𝚎𝚟𝚎𝚛𝚜𝚎() does to a list. timeline = ['morning', 'afternoon', 'evening'] timeline.reverse() print(timeline) # Output: ['evening', 'afternoon', 'morning'] 🔹 𝗶𝗻𝗱𝗲𝘅() - 𝗧𝗵𝗲 𝗧𝗿𝗲𝗮𝘀𝘂𝗿𝗲 𝗛𝘂𝗻𝘁 Finding a specific item in a cluttered room can be a challenge. Similarly, 𝚒𝚗𝚍𝚎𝚡() helps find the position of an element in the list. fruits = ['apple', 'banana', 'cherry'] print(fruits.index('banana')) # Output: 1 🔹 𝗰𝗼𝘂𝗻𝘁() - 𝗧𝗵𝗲 𝗣𝗼𝗹𝗹 𝗧𝗮𝗸𝗲𝗿 Ever conducted a poll and counted votes for each option? 𝚌𝚘𝚞𝚗𝚝() does this for occurrences of an element in a list. votes = ['yes', 'no', 'yes', 'yes', 'no'] print(votes.count('yes')) # Output: 3

𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗶𝘀𝘁 𝗠𝗲𝘁𝗵𝗼𝗱𝘀 𝗙𝗿𝗼𝗺 𝗮 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 𝗔𝗻𝗴𝗹𝗲 🐍 Let's dive in with some real-world analogies and examples! 🔹 𝗮𝗽𝗽𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗣𝗮𝗿𝘁𝘆 𝗣𝗹𝗮𝗻𝗻𝗲𝗿 Imagine you're organizing a party. As you think of more friends to invite, you keep adding them to your guest list. In Python, this is just like using 𝚊𝚙𝚙𝚎𝚗𝚍(). It adds an element to the end of the list. guest_list = ['Alice', 'Bob'] guest_list.append('Charlie') print(guest_list) # Output: ['Alice', 'Bob', 'Charlie'] 🔹 𝗲𝘅𝘁𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗠𝗲𝗿𝗴𝗶𝗻𝗴 𝗼𝗳 𝗧𝗿𝗶𝗯𝗲𝘀 Think of two music bands deciding to perform together. They merge their members into one big band. Similarly, 𝚎𝚡𝚝𝚎𝚗𝚍() merges one list into another. band_one = ['Drummer', 'Guitarist'] band_two = ['Singer', 'Bassist'] band_one.extend(band_two) print(band_one) # Output: ['Drummer', 'Guitarist', 'Singer', 'Bassist'] 🔹 𝗿𝗲𝗺𝗼𝘃𝗲() - 𝗦𝗽𝗿𝗶𝗻𝗴 𝗖𝗹𝗲𝗮𝗻𝗶𝗻𝗴 Ever cleaned your room and removed items you no longer need? 𝚛𝚎𝚖𝚘𝚟𝚎() does this for lists, eliminating the first occurrence of a specified element. items = ['books', 'pen', 'notebook', 'pen'] items.remove('pen') print(items) # Output: ['books', 'notebook', 'pen'] 🔹 𝗽𝗼𝗽() - 𝗧𝗵𝗲 𝗦𝘂𝗿𝗽𝗿𝗶𝘀𝗲 𝗕𝗼𝘅 Imagine a box where you take out the topmost item without knowing what it is. 𝚙𝚘𝚙() removes and returns the last element of the list (or a specified index). colors = ['red', 'green', 'blue'] print(colors.pop()) # Output: 'blue' print(colors) # Output: ['red', 'green'] 🔹 𝘀𝗼𝗿𝘁() - 𝗧𝗵𝗲 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗮𝗻’𝘀 𝗠𝗲𝘁𝗵𝗼𝗱 Think of a librarian arranging books in alphabetical order. 𝚜𝚘𝚛𝚝() arranges elements of the list in a specific order (default is ascending). numbers = [3, 1, 4, 1, 5, 9] numbers.sort() print(numbers) # Output: [1, 1, 3, 4, 5, 9] 🔹 𝗿𝗲𝘃𝗲𝗿𝘀𝗲() - 𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝘃𝗲𝗹𝗲𝗿’𝘀 𝗚𝗹𝗶𝗺𝗽𝘀𝗲 Ever wished to rewind your day and revisit events in reverse? That's what 𝚛𝚎𝚟𝚎𝚛𝚜𝚎() does to a list. timeline = ['morning', 'afternoon', 'evening'] timeline.reverse() print(timeline) # Output: ['evening', 'afternoon', 'morning'] 🔹 𝗶𝗻𝗱𝗲𝘅() - 𝗧𝗵𝗲 𝗧𝗿𝗲𝗮𝘀𝘂𝗿𝗲 𝗛𝘂𝗻𝘁 Finding a specific item in a cluttered room can be a challenge. Similarly, 𝚒𝚗𝚍𝚎𝚡() helps find the position of an element in the list. fruits = ['apple', 'banana', 'cherry'] print(fruits.index('banana')) # Output: 1 🔹 𝗰𝗼𝘂𝗻𝘁() - 𝗧𝗵𝗲 𝗣𝗼𝗹𝗹 𝗧𝗮𝗸𝗲𝗿 Ever conducted a poll and counted votes for each option? 𝚌𝚘𝚞𝚗𝚝() does this for occurrences of an element in a list. votes = ['yes', 'no', 'yes', 'yes', 'no'] print(votes.count('yes')) # Output: 3 ➡ Stay tuned and make sure to follow us at Data and AI Central 🚀 for more FREE resources! #python #data #datascience #machinelearning #ai #artificialintelligence #programming #dataanalysis #analytics #productivity #innovation #coding #tech #softwareengineer #developer #technology

𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗶𝘀𝘁 𝗠𝗲𝘁𝗵𝗼𝗱𝘀 𝗙𝗿𝗼𝗺 𝗮 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝘁 𝗔𝗻𝗴𝗹𝗲 🐍 Let's dive in with some real-world analogies and examples! 🔹 𝗮𝗽𝗽𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗣𝗮𝗿𝘁𝘆 𝗣𝗹𝗮𝗻𝗻𝗲𝗿 Imagine you're organizing a party. As you think of more friends to invite, you keep adding them to your guest list. In Python, this is just like using 𝚊𝚙𝚙𝚎𝚗𝚍(). It adds an element to the end of the list. guest_list = ['Alice', 'Bob'] guest_list.append('Charlie') print(guest_list) # Output: ['Alice', 'Bob', 'Charlie'] 🔹 𝗲𝘅𝘁𝗲𝗻𝗱() - 𝗧𝗵𝗲 𝗠𝗲𝗿𝗴𝗶𝗻𝗴 𝗼𝗳 𝗧𝗿𝗶𝗯𝗲𝘀 Think of two music bands deciding to perform together. They merge their members into one big band. Similarly, 𝚎𝚡𝚝𝚎𝚗𝚍() merges one list into another. band_one = ['Drummer', 'Guitarist'] band_two = ['Singer', 'Bassist'] band_one.extend(band_two) print(band_one) # Output: ['Drummer', 'Guitarist', 'Singer', 'Bassist'] 🔹 𝗿𝗲𝗺𝗼𝘃𝗲() - 𝗦𝗽𝗿𝗶𝗻𝗴 𝗖𝗹𝗲𝗮𝗻𝗶𝗻𝗴 Have you ever cleaned your room and removed items you no longer need? 𝚛𝚎𝚖𝚘𝚟𝚎() does this for lists, eliminating the first occurrence of a specified element. items = ['books', 'pen', 'notebook', 'pen'] items.remove('pen') print(items) # Output: ['books', 'notebook', 'pen'] 🔹 𝗽𝗼𝗽() - 𝗧𝗵𝗲 𝗦𝘂𝗿𝗽𝗿𝗶𝘀𝗲 𝗕𝗼𝘅 Imagine a box where you take out the topmost item without knowing what it is. 𝚙𝚘𝚙() removes and returns the last element of the list (or a specified index). colors = ['red', 'green', 'blue'] print(colors.pop()) # Output: 'blue' print(colors) # Output: ['red', 'green'] 🔹 𝘀𝗼𝗿𝘁() - 𝗧𝗵𝗲 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗮𝗻’𝘀 𝗠𝗲𝘁𝗵𝗼𝗱 Think of a librarian arranging books in alphabetical order. 𝚜𝚘𝚛𝚝() arranges elements of the list in a specific order (default is ascending). numbers = [3, 1, 4, 1, 5, 9] numbers.sort() print(numbers) # Output: [1, 1, 3, 4, 5, 9] 🔹 𝗿𝗲𝘃𝗲𝗿𝘀𝗲() - 𝗧𝗶𝗺𝗲 𝗧𝗿𝗮𝘃𝗲𝗹𝗲𝗿’𝘀 𝗚𝗹𝗶𝗺𝗽𝘀𝗲 Ever wished to rewind your day and revisit events in reverse? That's what 𝚛𝚎𝚟𝚎𝚛𝚜𝚎() does to a list. timeline = ['morning', 'afternoon', 'evening'] timeline.reverse() print(timeline) # Output: ['evening', 'afternoon', 'morning'] 🔹 𝗶𝗻𝗱𝗲𝘅() - 𝗧𝗵𝗲 𝗧𝗿𝗲𝗮𝘀𝘂𝗿𝗲 𝗛𝘂𝗻𝘁 Finding a specific item in a cluttered room can be a challenge. Similarly, 𝚒𝚗𝚍𝚎𝚡() helps find the position of an element in the list. fruits = ['apple', 'banana', 'cherry'] print(fruits.index('banana')) # Output: 1 🔹 𝗰𝗼𝘂𝗻𝘁() - 𝗧𝗵𝗲 𝗣𝗼𝗹𝗹 𝗧𝗮𝗸𝗲𝗿 Have you ever conducted a poll and counted votes for each option? 𝚌𝚘𝚞𝚗𝚝() does this for occurrences of an element in a list. votes = ['yes', 'no', 'yes', 'yes', 'no'] print(votes.count('yes')) # Output: 3 #python #data #datascience #machinelearning #ai #artificialintelligence #programming #dataanalysis #analytics #productivity #innovation #coding #tech #softwareengineer #developer #technology #pakistantech