PYTHON PROGRAMMING LECTURE NOTES {COMPUTER SCIENCE AND ENGINEERING} Core Python Programming, W.Chun, Pearson.

PYTHON PROGRAMMING III YEAR/II SEM

PYTHON PROGRAMMING
LECTURE NOTES



DEPARTMENT OF
COMPUTER SCIENCE AND ENGINEERING
M
ED

MALLA REDDY COLLEGE OF ENGINEERING &
TECHNOLOGY
ST
U
D
Y

,PYTHON PROGRAMMING III YEAR/II SEM

SYLLABUS
MALLA REDDY COLLEGE OF ENGINEERING AND TECHNOLOGY

III Year B. Tech CSE -II SEM L T/P/D C
3 -/-/- 3
OPEN ELECTIVE III
(R17A0554) PYTHON PROGRAMMING
OBJECTIVES:
 To read and write simple Python programs.
 To develop Python programs with conditionals and loops.
 To define Python functions and call them.
 To use Python data structures –- lists, tuples, dictionaries.
 To do input/output with files in Python.
M
UNIT I
INTRODUCTION DATA, EXPRESSIONS, STATEMENTS
Introduction to Python and installation, data types: Int, float, Boolean, string, and list; variables,
ED
expressions, statements, precedence of operators, comments; modules, functions--- function and its
use, flow of execution, parameters and arguments.

UNIT II
CONTROL FLOW, LOOPS
Conditionals: Boolean values and operators, conditional (if), alternative (if-else), chained conditional
ST
(if-elif-else); Iteration: while, for, break, continue.

UNIT III
FUNCTIONS, ARRAYS
Fruitful functions: return values, parameters, local and global scope, function composition,
U
recursion; Strings: string slices, immutability, string functions and methods, string module; Python
arrays, Access the Elements of an Array, array methods.
D
UNIT IV
LISTS, TUPLES, DICTIONARIES
Lists: list operations, list slices, list methods, list loop, mutability, aliasing, cloning lists, list
Y
parameters, list comprehension; Tuples: tuple assignment, tuple as return value, tuple comprehension;
Dictionaries: operations and methods, comprehension;

UNIT V
FILES, EXCEPTIONS, MODULES, PACKAGES
Files and exception: text files, reading and writing files, command line arguments, errors and
exceptions, handling exceptions, modules (datetime, time, OS , calendar, math module), Explore
packages.

,PYTHON PROGRAMMING III YEAR/II SEM
OUTCOMES: Upon completion of the course, students will be able to
 Read, write, execute by hand simple Python programs.
 Structure simple Python programs for solving problems.
 Decompose a Python program into functions.
 Represent compound data using Python lists, tuples, dictionaries.
 Read and write data from/to files in Python Programs


TEXT BOOKS
1. Allen B. Downey, ``Think Python: How to Think Like a Computer Scientist‘‘, 2nd edition,
Updated for Python 3, Shroff/O‘Reilly Publishers, 2016.
2. R. Nageswara Rao, “Core Python Programming”, dreamtech
3. Python Programming: A Modern Approach, Vamsi Kurama, Pearson

REFERENCE BOOKS:
M
1. Core Python Programming, W.Chun, Pearson.
2. Introduction to Python, Kenneth A. Lambert, Cengage
3. Learning Python, Mark Lutz, Orielly
ED
ST
U
D
Y

, PYTHON PROGRAMMING III YEAR/II SEM

INDEX
UNIT TOPIC PAGE NO
INTRODUCTION DATA,
EXPRESSIONS, STATEMENTS
1
Introduction to Python and installation 1
data types: Int 6
float 7
Boolean 8
string 8
List 10
I variables 11
M
expressions 13
statements 16
precedence of operators 17
ED
comments 18
modules 19
functions ----- function and its use 20
flow of execution 21
ST
parameters and arguments 26
CONTROL FLOW, LOOPS 35
Conditionals: Boolean values and 35
operators,
II conditional (if) 36
U
alternative (if-else) 37
chained conditional (if-elif-else) 39
41
D
Iteration: while, for, break, continue.
FUNCTIONS, ARRAYS 55
Fruitful functions: return values 55
Y
parameters 57
local and global scope 59
function composition 62
III recursion 63
Strings: string slices 64
immutability 66
string functions and methods 67
string module 72
Python arrays 73
Access the Elements of an Array 75
Array methods 76