print 'hello world' Will create new tuple append, extend, insert, pop, remove, reverse, sort >>> x=[2,3,4,6] 4.1.5 programming languages but still you wont find it that easy to use the way we can in Python. 2*2*2 8times = 2^8 = 256. Similar to list we too have: Repetition= * Introduction to Creating list python class 11 Definition of List Different ways to Creating list python class 11 Creating An Empty List - Creating list python class 11 Creating lists with multiple values - Creating list python class 11 Creating nested list - Creating list python class 11 *0x denotes hexadecimal >>> marks=[100,20,30] pass just a or we have to Distribution third party Python modules, programs and tools, and additional documentation. The complex data types are those data that holds a pair of floats, one representing the real Variable names are case sensitive. Software: Software is the programs stored in computers those help to do user's work and provides an interface to the user such as Microsoft PowerPoint, Excel . and tested on Computer during the examination. Z = {1:hello, 2:world} #dictionary Python has fort built-in numeric data types: integers, long integers, float and complex Q1. Now we will see hello world our classical first example in script mode. 3. >>> del marks , use Python in the production of animated movies. >>> x.index(23) assign any data variable in Python too. 2.7) To understand and implement the concept of working with relational Database To Lists and Tuples Description: . rd integer in hexadecimal (base 16) and octal (base 8) notation by ValueError is raised with some functions when the value being looked for is not present in Floating point number are implemented using double in C [5, 2, 23, 9, 12, 0, 2] He can be reached out at nitin.nitp@gmail.com or nitin_k@outlook.com This List in Python Class 11 Notes is . 1 4.1.5 Important List Exception exploring inside computer system in the first 2 lab classes) Must have minimum 15 programs Tuples support the same Allows the addition of dynamic and interactive activities to According to the included README, its main features are: 4 or 5 bit is sufficient to store some data, we will assign such variables with 1 byte of data, hello.py in a plain text editor (even Windows Notepad is fine), or by opening new page from The operand to the left of the = operator is the name of the variable, and For instance if you define a = 1 within a function, then a will be available within that entire (12,56) + (34, 45) >>> (12, *There are more than 100 names in the list, so we have omitted most of them and shown 5 Programs on string manipulations last element with index -2, same as x[3] They work like associative arrays or hashes found in Perl and consist of key-value pairs. pass a, b. It was also covered in table P2. i not in x True if an item i is not there in list Document Release Date: June 2014 Area = X cm * Y cm = Z cm sq As the technology grows, there is a need to adopt them and help students to learn about >>> x.index(57) title=slide.shapes.title. PDF/PPT - cs2study shown in definition does not Output Presentation: 4 Marks File "", line 1, in 2.1*4=8.4 x[i:j] = []) be unique and constant for this object during its lifetime # empty list Typeface or Symbol Meaning/Used for Example >>> print "Hello world" third_quadrant of 49 of 49 SyntaxError: invalid syntax JPMorgan, , Citadel apply Python for financial market forecasting. 2. If we have a look to functions for list object we had: Function Definition Example Data Types .22 This tutorial introduces the reader informally to the basic concepts and features of >>> print Length Else, return an x[i:j] slice of x from i to j, slice from The sequence of characters used to form a variable name (and names for other Python executable file (.exe files). win32 AttributeError is raised when an attribute reference or assignment fails. >>> print(marks) Introduction To Python: 3: chapter 3. Feb 26, 2021 Dictionary in Python Class 11 Notes What is Dictionary in Python? Lists, Tuple, String are python inbuilt sequence/collection data types. True x[:4] >>> (3,5,2) AttributeError: 'tuple' object has no attribute 'append' AttributeError (Single to multiple line at a time) for a class object: its attributes, and recursively the attributes of its bases. valuable feedbacks. 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Initial requirement, developing requirement, developing an interface for a user (it is advised to of 49 Raises IndexError if list is empty 3.3.1.2 Floats Creating Presentations with Python Rat Devil Follow Advertisement Advertisement Advertisement 20 (20) number system has ten symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, called digits. (1) and y. 1. Table of Contents Python IDLE16 >>> Python interpreter console >>> 2+2 Python has mainly five standard data types: element with index -5, same value as x[0] x + y sum of x and y 2+2=4 When we say variables reserved memory its the memory space which we keep aside to 2.6.3 Python Interactive Mode the secondary prompt, by default three dots which we will see in our next chapters). As integer can be +ve as well as ve numbers so (1) python 3.3.4 1. position) else False We are not discussing this here as this is off topic for this As we need not to declare any data type for Python the equal sign (=) is used to assign that teaching PYHTON for today's technical students will help them in the future, because this Practicals: 2147483647. or other attribute related to given object. it cannot be modified. print(my_list[-1]) IndexError is raised on providing out-of-range index to given list. The functionality if count and index limit will be more than 32 bit machine. >>> x = [5, 4.3, 3+4j, 'python', 32] del x[2:4] If you do not have administrative rights on your machine, you can select Advanced character 1 byte is enough. for a module object: the module's attributes. File "", line 1, in So to take care of all 214748365L OR None continue file for xlambda Getting Started: Introduction to Python- an interpreted high level language, True, not 5 = False (2) 1. Once you have count and index. D - Draft proposal them. If you need quick information about any function or statement in Python, then you can use the object on the right of the = operator; if the object reference does not exist it is created by the not x Python maintenance/upgrade is taken care by Python software foundation. Length = 2 # and this is the second comment Notice we got only those output that started with print. understand Open source Software [20] >>> x[::2] #get every alternate item, starting with the first CBSE Class 11 Comprehensive Notes of Strings in Python with Questions Nested List5. means that parameter is Subsystems/ Peripherals Problem Solving using Object Oriented Programming x=[4, 3, 5, 2, 23, 9, 12] Institute of Technology offer PYTHON instead of C++, as part of their syllabus. number c into intermediate form called byte code. >>> 2+2 If we use index which is outside the range of given list we get an exception (IndexError) as The second line is blankoutside quoted strings, Python ignores blank lines, but they are square bracket inside other, Important methods and functions of List Visit : python.mykvs.in for regular updates Function Description . Raises ValueError if the value is x[i]=data Trying to replace ith value of x changes the original list (in our case x) max(x) Largest item of x x=[4, 3, 5, 2, 23, 9, 12] Important Tuple Exception ..45 2 #3 Easy to learn and use x[i]=data Item I of x is replaced by data x=[4, 3, 5, 2, 23, 9, 12] He did his bachelor of engineering in Electronics and communication from National Institute hex(x) hexadecimal representation of x Interactive mode say, C++ or Java. TypeError: 'tuple' Chapter Name Download; 1: 1. x and y Creating List python class 11 comprehensive notes Output: 8, negative indexing for its sequences. 1 supplier of quality freshers, The Ring programming language version 1.9 book - Part 29 of 210, The Ring programming language version 1.8 book - Part 27 of 202, The Ring programming language version 1.5.3 book - Part 22 of 184, Data extraction, transformation, and loading. understand the basics of Computing Logic object does not copy() - Returns a shallow copy of the list, if all elements of the list are true (or if the list is F - Final proposal Below example x = 5 Method-2 using list constructor followed elements to next List in Python Class 11 Computer Science Notes And Questions [2, 5, 10, 23, 32, 5] builtin type function. Important List Exception ..40 Also even though length of 'NitinNitinNitinNitinNitin' True 100 structures and a simple but effective approach to object-oriented programming. recent call last): >>> x[-34:4] #slicing from starting point as -34 is beyond index point -9 (i.e 0 starting point). x = () #empty tuple [4, 5, 23, 12, 2] Nested list: p is the real part of the number, and q is Functions: Importing Modules (entire module or selected objects), invoking built in Computer Science Class 11 India PPT As mentioned above IDLE can be launched from Start> Programs>Python 2.7>IDLE. (we will explain this new >>> x+y input (using raw_input() and input ()) and displaying output (print statement); Putting These functions too will give AttributeError. len(x) >>> 7 Version History We can notice here too we have some internal functions [4, 56, 9, 12] For changed values , Python does not create a new list. start till given index value end (end index value is excluded). st x or y if x is false, then y, else x 2 or 3 = 2, 0 or 5 = 5 (1) 12, 2017 0 likes 15,999 views Download to read offline Education This ppt includes all concepts of chapter 1-5 of the book by Sumita Arora. Introduction to Python: 20 Marks (44 Theory+32 Practical Periods) Multiple = X*Y number. This symbol we will encounter once we go through Tuple 41 (In this book we will concentrate on An IDE normally consists of a source of Long Integers. We covered Introduction to Python, where we explored one of the world's fastest-growing languages, python. element from the list and lead to change the list. Table P-1: Typographic Conventions 10, of 49 >>> x=[2,5,3] AttributeError is raised when an attribute reference or assignment fails. I am pretty sure despite my strenuous efforts error might remain in the text. To understand basics of Computer The following are some examples of valid and invalid identifiers: Glossary and Abbreviations Similarly we can also access data using negative indexing. if x is false, then True, Many thanks to all the companies who let me work aggressively on Python for so long period. for 23 in our list The language has undergone a drastic change since its release 25 years ago as many add-on features are introduced. = 5 For Python its IDLE. They have the deduction in the salary as PF which is 12% of Basic pay. Pythons A brief about Guido, He worked with Google till 2012 end for Google App So on Python IDLEs Interactive mode hello world will look like: 2. This function gives the data type for data passed to the function. Platform independence example we are trying to use upper string name = Guido Currently this language is being used by much industry. >>> Length = 5, of 49 Long List4. numeric value and his or her address is stored as alphanumeric characters. x / y quotient of x and y 4/2=2, 5/2=2 Not a sequence: like list, string and tuple , it is not a sequence because it is a collection of unordered elements whereas a sequence is a collection of indexed numbers to keep them in order. [90, 40, 50, 60, 70] ValueError: list.remove(x): x not in list book. 6. The interpreter executes the program source code directly. Syllabus.7 >>> id(x) st of 49 for each topic. of such mixed mode operations are summarized in below table. 3 Nitin Kumar. 2 followed by a j. we can pass just a or we have = operator. 1.1*1.1=1.21 nd attributes reachable from it. -> integer >>> x=(abc,5, 3.9, 3) He also visited >>> y=[23,32,12] my_list = list([1, 2, 3]) Table P-1: Typographic Conventions x.append(y) Append y to the end. pow, sqrt, cos, tan, degrees, radians), using random() and randint() functions of beginning in a letter or underscore. my_list = [] The elements can be of any data type. 3.3.1 Numbers if x is false, then x, else y Long Long Float Long. know while using Interpreter. The second section focuses on the more number of exercises to give student more command True +x x unchanged Its not the count from IndexError: list index out of range 3.3.1 >>> marks.insert(3,40) installed Python) First and foremost is Guido van Rossum, Pythons creator. Class XI ( As per CBSE Board) List Manipulation Visit : python.mykvs.in for regular updates New Syllabus . 32 RHO: Right hand operand bin(5)= '0b101' random module to generate random numbers, composition. Note: If parameter of a for any purpose. Traceback (most recent call last): 100 it. The support item imaginary part y. x and y are numeric expressions 4 Collection Data Types So integer can have 4294967296 values. >>> x=[2,5,3] To understand the basic concepts of Communication and Networking technologies To reversed(), Do not sell or share my personal information. alphabetized list of names comprising (some of) the attributes of the given object, and of x[1:4]=(56,43) Lists and Tuples - PowerPoint PPT Presentation dir() Is equivalent to Type "help", "copyright", "credits" or "license" for more We will put all above things in a table so that its easy to go through them easily in one view. Negative index starts with -1. >>> x.insert(2,10) Creating tuple is also similar to creating a List. 2.4.3 do not need to compile your program before executing it. Project Work: Problems related to string and List manipulation General Guidelines: Hello.py If the implementation is hard to explain, it's a bad idea. 3.1 Variables 100 References Python Script Mode.19 But if we take other examples from Physics or Maths we append unit to define the variable value of long integers depends on machine architecture; say 64 bit machines long integer >>> help ('print') of 49 Introduce the notion of a variable . The elements can be of any data type. for any other object: its attributes, its class's attributes, and recursively the attributes of list. A - Active proposal DDL . The information in this document is therefore provided on an as is 'str' del x[i:j] delete slice (same as x[i:j] = []) x=[4, 56, 43, 23, 9, 12] functions, functions from math module (for example, ceil, floor, fabs, exp, log, log10, >>> x.pop(2) #calling with 4 Note: If parameter of a function Now say we have below lines in our hello.py file i in x True if an item i is there in tuple sorted() Return a new sorted list (does not sort the list itself). 2.5 Operation Result Examples Notes keep on coming till our input is over. List are mutable, meaning, their elements can be changed. [100, 20] add one item to a list using append() 4 #original index count of Numbers ..27 a variable. >>> x[6] >>> x[1:4] A dictionary key can be almost any Python type, but are usually numbers or strings. 1. Book: Python 2.1 bible, of 49 Index starts from Can be made out by same id value of x and variable. remove() method to remove the given item x = (578, [23, 345, 657], (7, 3)) #tuple can also contain list, tuple as its element (1) These only evaluate their second argument if needed for their outcome. 1.6 Typographic Conventions 3.3 This is official Python programming language 1 editors (2+3j)*(4+2j)= (2+16j) 1. You can learn to use Python and see almost immediate gains in >>> 3/0 5 Programs on Control structures Science CBSE (code- 083) we dont see those function on doing dir of tuple variable. 1 Few among them are PyScriptor, IDLEX, komodo, PyDev, PyCharm, PTVS and many more. architect) Typographic Conventions..10 parameter. particular, punctuation and blanks are not allowed. Use complex(x, y) to convert x and y to a complex number with real part x and implementation or to fix a bug) code or give new code to be included in python library using >>> x.imag Tuple slicing behaviour is x[:4] >>> [3,5,2] comments. of 49 (6+5j)/(2+1j)= (3.4+0.8j) Ex: 2.5.1 >>> type(name) use. They are Note: With green colour we are trying to represent output. using Python. >>> x[2] ValueError and F, we most often do mistake here), which are "special versions" of 1 and 0 respectively functions, which are meant for changing the variable. list using the keyword del. SyntaxError: invalid syntax float(x) x converted to floating point call stack visibility. >>> x.upper() (2, 3, 4, 6) >>> x.remove(23) python changed. This document is organised in three sections. document Example function commenting The Python List Data Structure A list an ordered sequence . Can contact me at nitin_k@outlook.com for more details or to get a copy of this book. collection lower, islower, isupper, upper, lstrip, rstrip. recent call last): Python which can be written as a list of comma- 56, 34, 45] Return first index of value. 4.2.1 files normally have an extension of .py (.pyc when .py files are compiles and .pyo when Return number of Installing Python from Python.org (http://www.python.org/) x.index(value, necessary. PDF/PPT . List indices start at 0 He also presented different whitepaper for Patents and Ideas. marks=[90,80,50,70,60] As any machine only understands machine language (Machine code or machine language is 3 in x >>> True x * y product of x and y 3*2=6 These symbols 2.6.5 Getting Help List elements can be accessed using their index location. x[0]=10 be the original index of Edit and running of code is fast. Pyplot is a collection of methods within matplotlib library (of python) to construct 2D plot easily and interactively. Readability counts. method Defining functions, invoke functions, passing parameters (default parameter values, file or files that make up the program to the target machine, with no building or compiling Simple is better than complex. >>> x=[2, 5, 23, 32, 12] >>> x.index(5) >>> x=2.1 3.2 Assigning Values to Variables: and y. We can write any code generally in two ways: >>> x #10 is removed from After this step, we've created a title variable. element. This change is in line with global trends, as even premier institutions such as Massachusetts Appreciate the logic used in digital circuits , Los Alamos use Python for scientific programming tasks. 1.4 Acknowledgment and Credit abs(x) absolute value or magnitude >>> x=[2,5,3] For ex, when we do [2,5] +[23,32,12] we get [2,5,23,32,12] this we get when list internally Traceback (most recent call last): It helps to have a Python interpreter handy for hands-on experience, but all examples are Also do take care that even if we provide real or imaginary You can go through the questions and solutions below which will help you to get better marks in your examinations. If you are in hurry then can skip this section for now but make sure you come back and read In addition, Booleans are a subtype of plain integers. # list of integers 2. square brackets at that >>> x=[2, 5, 23, 32, 5] 3.3.2 Number Data Type Conversion: >>> print(marks) depending on the value of third parameter. File "", line 1, in x[1],x[2], x[3] not x[4], of 49 Interactive mode is a command line shell which gives immediate feedback for each
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