Introduction to Python Basics Programming

Introduction to Python Basics
Programming
www.collaborationtech.co.in
Bengaluru INDIA
Presentation By
Ramananda M.S Rao

Introduction to Python Programming
Content
Introduction
Applications and Frameworks
Get Started with programming
Variables and Data Types
Operators and Expressions
Control Structure
Sequence Types
Dictionaries and Sets
List Comprehensions
Functions
Local, Non Local & Global Variables
Anonymous and Lambda Functions

Introduction
 Open source general-purpose. Multiplatform programming
language
 Object Oriented, Procedural, Functional
 Easy to interface with C/ObjC/Java/Fortran
 Easy to interface with C++ (via SWIG)
 Great interactive environment
 Python 'philosophy' emphasis readability, clarity and simplicity
 The Interactive Interpreter
 it is very easy to learn and understand.
 It is extensible, you can easily plug new modules in your Python
installation and extend its functionality

Get Started with Python program
IDLE helps you program in Python by:
color-coding your program code
debugging
auto-indent
interactive shell

Get Started with Python program
#one.py
x = 34
y = 'Hello'
y = y + 'World'
print(x)
print(y)
Open new window and type in the program save as one.py and then run module.
Output:
34
HelloWorld
# kbinput.py
name = input('What is your name:')
print('It is good to meet you mr ', name)

# Data Format example
age = 25
name = 'Swaroop'
print('{0} is {1} years old'.format(name, age))
print('Why is {0} playing with that python?'.format(name))
data=1/6
print('{0:.3}'.format(data) )
# decimal (.) precision of 3 for float
# fill with underscores (_) with the text centered (^) to 11 width
print('{0:_^11}'.format('hello') )
print( '{name} wrote {book}'.format(name='Swaroop', book='A Byte of Python') )

person = input(’Enter your name: ’)
greeting = ’Hello {}!’.format(person)
print(greeting)
#Another Example
applicant = input(‘Enter the applicant’s name: ‘)
interviewer = input(‘Enter the interviewer’s name: ‘)
time = input(‘Enter the appointment time: ‘)
print(interviewer + ’ will interview ’ + applicant + ’ at ’ + time +’.’)
print(’{} will interview {} at {}’.format(interviewer, applicant, time))

Control Structure
 If and elif Statement
 While statement
 For Loop
 Break Statement
 Continue Statement

# Using If and elif Statement - compute.py
a = input('enter value a:')
b = input('enter value b:')
x= int(a)
y=int(b)
ch = input('enter your option(1.add 2.subtract):')
choice= int(ch)
if choice == 1:
print('sum of ' + a + 'and ' + b +'=', x+ y )
elif choice == 2:
print ( ' subtraction of '+ a + ' and ' + b + 'is ' , x- y )
else:
print('Invalid Option:')

# Using for Statement
print('Using for loop Statement')
for x in range(20):
print('Still in the loop: ', x)
print('Outside of the for loop')
# for with range
for x in range(3,20):
print('Still in the loop: ‘, x)
print ('Outside of the loop')
val=input('enter the value for x')
x=int(val)
for i in range(x):
if(i%2==0):
continue
print(‘value:’,i)
print('done')

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Introduction to Python Basics Programming

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