2.4 List- Change, Insert, Append

Duration: 4 min

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Module outline

  1. About the Course: About the Course
  2. Section 1 | Language (Hindi): भाषा, लिपि, ध्वनि, वर्ण, अक्षर, स्वर, व्यंजन, मात्रा और संयुक्ताक्षर, वर्तनी, वर्ण-विन्यास, अनुस्वार, अनुनासिक, चंद्रबिंदु और ‘र’ के रूप, शब्द, पद और शब्द-भेद, संज्ञा और सर्वनाम, विशेषण और क्रिया, लिंग, वचन, पुरुष और कारक, काल, वाच्य, वाक्य और वाक्य-भेद, संधि, समास, विलोम शब्द, पर्यायवाची शब्द, सामान्य अशुद्धियाँ, अनेक शब्दों के लिए एक शब्द, मुहावरे और लोकोक्तियाँ, अपठित गद्यांश और अपठित पद्यांश, Multi-Topic Content (Cross-Concept Material), वर्णमाला
  3. Section 1 | Language (उर्दू भाषा — 22 प्रश्न (निश्चित)): Spelling & Diacritics, Grammar (اسم, فعل, صفت, ضمیر), Vocabulary, Idioms & Proverbs, Comprehension
  4. Section 1 | Language (বাংলা / बांग्ला भाषा — 22 प्रश्न (निश्चित)): Bangla Script and Sounds, Bangla Grammar and Usage, Bangla Word Formation and Vocabulary, Reading and Text Interpretation
  5. Section 1 | Language (English): Vocabulary, Noun, Subject Verb Agreement (Verb Noun Agreement), Adjectives, Tenses, Pronoun, Verb, Adverb, Preposition, Articles, Determiner, Conjunction, Modals, Active Passive Voice (Voice), Direct and Indirect Speech, Sentence Correction (Error Correction), Sentence Completion (Fill in the blanks), Sentence Construction, Sentence Re-arrangements (Para Jumbles) (Narrative Sequencing), Comprehension / Reading Comprehension / Unseen Passages (Critical Reasoning) (Paragraph Questions), Cloze Test (Cloze Passage), Verbal Analogy (Word Based Analogy), Facts, Inference and Judgements
  6. Section 2 | Primary Maths & Reasoning: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Percentage, Average, Profit and Loss, Simple Interest and Compound Interest, Time and Work, Mensuration and Geometry, Age Problems, Arithmetic, Powers and Exponents (Surds and Indices), Algebra, Probability, Trigonometry, Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Data Arrangement, Inequality, Analogy, Ranking, Order and Sequence
  7. Section 2 | General Awareness (GK + Current Affairs): Polity, Physics, Biology, State Wise GK, Chemistry, History, Geography, Indian Economy, Environment, GK- Current Affairs, Static General Knowledge
  8. Section 3 | Computer System and Org. (CSO): Basics of COA, Floating Point Rep, Cache Memory Organization, Instr Formats & Modes, Programming the Basic Computer, Input Output Organisation, Register Transfer and Microoperations, Control Unit Design
  9. Section 3 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, SQL, File Organization & Indexing, Relational Algebra, Relational Calculus, Transaction Management, Concurrency Control
  10. Section 3 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Process Synchronization
  11. Section 3 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics
  12. Section 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing, Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Minimum Spanning Trees, Shortest Path Algos
  13. Section 3 | Theory Of Computation & Compiler Design: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines, Intro to Compilers, Lexical Analysis, Grammar & CFG, Syntax Analysis: Top-Down, Syntax Analysis: Bottom-Up, Semantic Analysis & SDT, Intermediate Code Gen, Code Optimization
  14. Section 3 | Emerging Trends (AI, Societal Ethics & MS Office): Artificial Intelligence, Emerging Tech Trends, Society, Law & Ethics, MS Office Applications
  15. Section 3 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Maintenance and Configuration Management, Software Testing
  16. Section 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  17. Section 3 | OOPS, C++, JAVA, HTML: OOPS with C++, Java, HTML Basics, CSS
  18. Section 3 | Java: Java Fundamentals, Array, String, IO & References
  19. Section 3 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  20. Section 3 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  21. Section 3 | Multimedia: Multimedia
  22. BPSC Previous Year Papers:
  23. BPSC Full Mock Tests:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a Python programming tutorial that demonstrates how to modify list data items. The instructor begins by introducing the topic of changing, inserting, and appending items in a list. The first section, titled 'Change List Data Items', shows an example where a list named 'EmpName' is initialized with four names. The instructor explains how to change an item at a specific index, using the syntax 'EmpName[1] = 'Romy'', which replaces the second element. He then demonstrates changing a slice of the list, 'EmpName[0:2] = ['Romy', 'Jack']', which replaces the first two elements. The second section, 'Insert New Data Items in List', explains the 'insert' method, showing how to add an item at a specific position, such as 'EmpName.insert(0, 'Jam')', which adds 'Jam' at the beginning of the list. The final section, 'Append New Data Items at End of the List', covers the 'append' method, which adds an item to the end of the list, as shown by 'EmpName.append('Jam')'. The instructor uses a digital whiteboard to write code and draw diagrams to illustrate the changes to the list structure.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video starts with a title slide for a Python lecture, showing the Python logo and the topic 'List : Change, Insert, Append'. The instructor, a man in a black polo shirt, stands in front of a large screen. He begins the lesson by introducing the concept of changing list data items. The slide changes to a new title, 'Change List Data Items', and displays a code example. The code initializes a list named 'EmpName' with the values ['Jhon', 'Bob', 'Marry', 'Cherry']. The instructor explains the syntax for changing a single item, writing 'EmpName[1] = 'Romy'' on the screen and explaining that this will replace the second element. He then shows how to change a slice of the list, writing 'EmpName[0:2] = ['Romy', 'Jack']' and explaining that this replaces the first two elements. He uses a yellow marker to draw arrows and write the expected output of the list after each change, visually demonstrating the modification process.

  2. 2:00 – 4:02 02:00-04:02

    The instructor transitions to the next topic, 'Insert New Data Items in List'. The slide now shows the same initial list 'EmpName = ['Jhon', 'Bob', 'Marry', 'Cherry']'. He explains the 'insert' method, writing the code 'EmpName.insert(0, 'Jam')' on the screen. He points to the code, explaining that the first argument is the index where the new item will be inserted, and the second is the item itself. He then draws the resulting list, '['Jam', 'Jhon', 'Bob', 'Marry', 'Cherry']', to show the new order. Next, the slide changes to 'Append New Data Items at End of the List'. The instructor explains the 'append' method, writing 'EmpName.append('Jam')' and stating that this adds the item to the end of the list. He draws the final list, '['Jam', 'Jhon', 'Bob', 'Marry', 'Cherry', 'Jam']', to illustrate the result. The video concludes with a 'Thank You' slide as the instructor finishes his explanation.

The video provides a clear, step-by-step tutorial on fundamental list manipulation in Python. It progresses logically from the most basic operation, changing a single element, to more complex ones like changing a slice, inserting an item at a specific position, and appending an item to the end. The instructor effectively uses a digital whiteboard to write code and draw diagrams, making the abstract concepts of list indexing and modification concrete and easy to understand. The consistent use of a single example list ('EmpName') throughout the lesson helps students focus on the syntax and behavior of each method without being distracted by new data.

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