2.7 Nested List

Duration: 4 min

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Module outline

  1. About the Course: About the Course
  2. Paper-1 & 2 | Basic Numeracy: Ratio and Proportion (Ratios), Divisibility Rules, Mixture and Alligation, Permutation and Combination, Logarithm, Number System, HCF LCM, Sequence and Series (Series), Speed Time and Distance, Percentage, Average, Mensuration and Geometry, Age Problems, Arithmetic, Statistics, Probability, Profit and Loss, Simple Interest and Compound Interest, Partnership, Speed Mathematics and Basic Mathematics, Algebra, Powers and Exponents (Surds and Indices), Time and Work, Pipe and Cistern, RSSB Specific Videos - Basic Numeracy
  3. Paper-1 & 2 | Data Interpretation: Data Interpretation
  4. Paper-1 & 2 | General Mental Ability: Mental Ability, RSSB Specific Videos - Mental Ability
  5. Paper-1 & 2 | Logical Reasoning and Analytical Ability: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Data Sufficiency, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Syllogisms, Seating Arrangements, Blood Relations, Directions (Direction Test), Analytical Reasoning (Counting Figures Reasoning), Puzzle Solving (Puzzles), Calendar, Clock, Cubes & Dices, Venn Diagram, Analogy, Ranking, Order and Sequence, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Data Arrangement, Logical Sequence Of Words, Crypt Arithmetic
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  7. Paper-1 | General Science: Physics, Biology, Chemistry, RSSB Specific Videos
  8. Paper-1 | General Awareness: State Wise GK, GK- Current Affairs
  9. Paper-2 | Fundamentals of Computer: Basics of COA, Number System, Floating Point Rep, Number Representation
  10. Paper - 2 | Digital Logic Systems: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits
  11. Paper-2 | Operating Systems: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Deadlock, Threads & Process Creation, Memory Management, Virtual Memory, Disc Scheduling, File Management, Linux OS, Distributed Systems
  12. Paper-2 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, Relational Algebra, SQL, Relational Calculus, File Organization & Indexing, Transaction Management, Concurrency Control
  13. Paper-2 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  14. Paper-2 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  15. Paper 2 | Oops, C++, Java: Language Design, OOPS with C++, Java, .Net Programming, Java Fundamentals
  16. Paper 2 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis
  17. Paper 2 | Emerging Trends and AI: Emerging Tech Trends, Artificial Intelligence
  18. Paper-2 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Greedy Algorithms, Advanced Algorithms
  19. Paper 2 | Data Communication and Network Security: 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, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer, Hardware basics, Network Security, Ethical Hacking
  20. Paper-2 I Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  21. Paper-2 | Computer Organization and Architecture: Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations
  22. Paper-2 | Web Development: JavaScript-Basics, HTML Basics, CSS, XML
  23. Pedagogy: Child Development, Concept of Pedagogy, Psychology, Theories, Inclusive Education, Experiential Pedagogy, Curriculum Framework & Reforms, National Education Policy (NEP) 2020
  24. Live Sessions: RSSB Live Sessions
  25. RSSB Paper 1 - Full Mock Tests:
  26. RSSB Paper 2 - Full Mock Tests:
  27. SCI Previous Year Papers:
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a Python programming tutorial that explains the concept of nested lists. The instructor begins by defining nested lists as a way to store multiple sublists within a single list, providing the syntax `List_name=[[item-1,item-2],[item-3,item-4],......,item-n]` and an example `Student=[['Allen','Bob','Jhon','Jerry'],[21,19,24],[7.5,8.0,8.5,7.6]]`. The lecture then transitions to a new topic, 'Nested Lists Indexing & Slicing', where the syntax for accessing data is shown as `list_name[startindex:endindex][,][,]`. The instructor uses a diagram to illustrate positive and negative indexing for a list `nlist=[['a','b','c'],[65,66,67]]`, showing that the first sublist contains elements 'a', 'b', 'c' with positive indices 0, 1, 2 and negative indices -3, -2, -1, and the second sublist contains numbers 65, 66, 67 with positive indices 0, 1, 2 and negative indices -3, -2, -1.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video starts with a title slide for 'Nested Lists'. The instructor, standing in front of a screen, introduces the topic. The slide defines nested lists as a way to store multiple sublists in a single list. It provides the syntax `List_name=[[item-1,item-2],[item-3,item-4],......,item-n]` and an example `Student=[['Allen','Bob','Jhon','Jerry'],[21,19,24],[7.5,8.0,8.5,7.6]]`. The instructor then begins to write a new example on the screen, `L=[[1,2,3],[4,5,6]]`, to demonstrate the concept of a nested list with two sublists.

  2. 2:00 – 4:04 02:00-04:04

    The instructor transitions to a new slide titled 'Nested Lists Indexing & Slicing'. The slide explains that indexing and slicing are ways to access data items from a list, with the syntax `list_name[startindex:endindex][,][,]`. It clarifies that the slice includes the start index but excludes the end index. The instructor then presents a diagram for a list `nlist=[['a','b','c'],[65,66,67]]`. The diagram visually represents the positive indices (0, 1, 2) and negative indices (-3, -2, -1) for both sublists, with the first sublist containing 'a', 'b', 'c' and the second containing 65, 66, 67. The instructor points to the diagram while explaining the indexing system.

The video provides a structured lesson on Python's nested lists. It first establishes the definition and syntax for creating a nested list, using a clear example. The lesson then progresses to the practical application of accessing data within these structures through indexing and slicing. The use of a visual diagram to explain positive and negative indexing for a two-level list effectively demonstrates the hierarchical nature of the data structure, which is fundamental for understanding how to manipulate complex data in Python.

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