7.1 Functions- Definition and Types of Function

Duration: 6 min

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Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: Number System, HCF LCM, Divisibility Rules, Percentage, Ratio and Proportion (Ratios), Average, Profit and Loss, Time and Work, Mensuration and Geometry, Simple Interest and Compound Interest, Speed Time and Distance, Age Problems, Mixture and Alligation, Algebra, Powers and Exponents (Surds and Indices), Pipe and Cistern, Trigonometry, Statistics, Data Interpretation, Arithmetic
  3. Logical Reasoning: Series (Number and Letter Series) (Numerical Relations and Reasoning), Coding Decoding, Analogy, Blood Relations, Directions (Direction Test), Ranking, Order and Sequence, Non Verbal Reasoning (Spatial Aptitude) (Spatial Reasoning) (Visual Reasoning), Seating Arrangements, Syllogisms, Venn Diagram, Puzzle Solving (Puzzles), Logical Sequence Of Words, Deductive and Inductive Reasoning (Logical Deduction and Induction) (Prepositional Reasoning), Analytical Reasoning (Counting Figures Reasoning), Cubes & Dices, Calendar, Clock
  4. General Knowledge: Physics, Chemistry, Biology, History, Geography, Polity, Indian Economy, GK- Current Affairs, Static General Knowledge
  5. Art of Teaching: Nature, Objectives & Characteristics of Teaching, Learners & Learning Process, Factors Affecting Teaching, Methods of Teaching, Classroom Management & Communication, Teaching-Learning Aids & ICT Integration, Evaluation, Assessment & Measurement, Professional Development & Ethics, Policies, Acts & Contemporary Issues, Curriculum & School Environment, Guidance, Counselling & Mental Health, Inclusive Education & Special Needs, Micro-Teaching & Teaching Skills, Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

This video is a Python programming lecture that introduces the concept of functions. The instructor begins by defining a function as a group of statements executed when called. The main content is presented on a slide with a table comparing 'In-built Function Examples' and 'User Defined Function Example'. The instructor explains the syntax for defining a user-defined function using the 'def' keyword, as shown in the code snippet 'Def power(x,y):'. He demonstrates how to call this function with arguments, using the example 'power(x,y)'. The lecture then transitions to a new slide titled 'Function Types', which categorizes functions into 'In-built or pre-defined function' and 'User defined function'. Finally, a slide on 'In-built Functions' lists common functions like 'Print()', 'Len()', and 'Find()' under categories such as General, String, List, and Dictionary. The instructor uses a digital pen to write on the screen, adding annotations like 'len(Name)' and 'x=10, y=20' to illustrate the examples.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video opens with a title slide for a Python lecture, showing the Python logo and the word 'Function'. The instructor, a man in a black polo shirt, stands in front of a digital screen. The slide defines a function as 'A group of statements which are executed when it is called.' The main content is a table with two columns: 'In-built Function Examples' and 'User Defined Function Example'. The instructor begins to explain the concept of a function, referencing the definition on the slide. He gestures towards the screen, which displays code snippets for both types of functions, including a user-defined function 'Def power(x,y):' and examples of in-built functions like 'print(len(Name))'.

  2. 2:00 – 5:00 02:00-05:00

    The instructor continues to explain the user-defined function example on the right side of the slide. He uses a digital pen to write on the screen, adding annotations to clarify the code. He writes 'len(Name)' in pink to highlight the use of the built-in len() function. He then writes 'x=10' and 'y=20' to demonstrate how to assign values to variables before calling the function. He circles the function call 'power(x,y)' and explains that this is how the function is executed. The instructor emphasizes the structure of a function, including the 'def' keyword, the function name, parameters in parentheses, and the body of the function indented below. He also points out the 'input()' function used to get user input for the two numbers.

  3. 5:00 – 5:31 05:00-05:31

    The video transitions to a new slide titled 'Function Types'. The instructor explains that in Python, there are two types of functions: 'In-built or pre-defined function' and 'User defined function', which are shown in a diagram. He then moves to the next slide, 'In-built Functions', which displays a table with functions categorized by data type: General, String, List, and Dictionary. The instructor points to the table, listing examples like 'Print()', 'Len()', 'Find()', and 'Clear()'. The video ends with the instructor saying 'Thank you' as the screen shows the 'Knowledge Gate' logo.

The lecture provides a structured introduction to Python functions, starting with a general definition and progressing to specific examples. It effectively uses a visual aid with a table to contrast built-in functions with user-defined ones, making the distinction clear. The instructor's use of a digital pen to annotate the code live enhances the learning experience by highlighting key parts of the syntax and execution flow. The lesson concludes by categorizing functions into two main types, setting the stage for further exploration of Python's built-in functionalities.

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