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.

1. Introduction to Python Basics
Programming
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Bengaluru INDIA
Presentation By
Ramananda M.S Rao

2. 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
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3. Introduction to Python Programming
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
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4. Introduction to Python Programming
Get Started with Python program
IDLE helps you program in Python by:
color-coding your program code
debugging
auto-indent
interactive shell
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5. Introduction to Python Programming
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)
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6. Introduction to Python Programming
# 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') )
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7. Introduction to Python Programming
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))
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8. Introduction to Python Programming
Control Structure
 If and elif Statement
 While statement
 For Loop
 Break Statement
 Continue Statement
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9. Introduction to Python Programming
# 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:')
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10. Introduction to Python Programming
# 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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