7.1 Functions- Definition and Types of Function

Duration: 6 min

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Inside: a video lesson and guided study material.

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 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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