

Python Conditional statement
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•
Computers
•
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Practice Problem
•
Hard
herold lucia
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15 Slides • 0 Questions
1
Python
Conditional
statements
2
Learning Objectives
To know about the python conditional statements
3
Types of control structures
1) Sequential statement
2) Conditional statement
3) Iterative statement
4
Conditional
Statements
5
In Python programming, we use the if statement to run a block code only when a certain condition is met.
Types of IF statementsSimple if statement
if-else
if-elif-else
6
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
Python Indentation
Indentation refers to the spaces at the beginning of a code line.
Where in other programming languages the
indentation in code is for readability only, the indentation in Python is very important.
Python uses indentation to indicate a block of code.
7
Our Goal
8
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
x = 3
y = 10
if x < y:
print("x is smaller than y.")
Simple IF Statement
9
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
Python If-Else Statement
if boolean_expression:
statement(s)
else:
statement(s)
Syntax
10
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
a = 2
b = 4
if a<b:
print(a, 'is less than', b)
else:
print(a, 'is not less than', b)
Note: Try it in the IDLE script mode
11
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In
Python elif (short for else if) is used to
execute a continuous chain of conditional logic ladder.
In elif, there are multiple conditions and the
corresponding statement(s) as a ladder.
Python elif statement
Only one of the blocks gets executed when the corresponding boolean expression evaluates to true.
12
Our Goal
Syntax of elif
if boolean_expression_1:
statement(s)
elif boolean_expression_2:
statement(s)
elif boolean_expression_3:
statement(s)
else:
statement(s)
13
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
a = 6
b = 4
if a<b:
print(a, 'is less than', b)
elif a>b:
print(a, 'is greater than', b)
else:
print(a, 'equals', b)
14
Our Goal
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Commodo odio aenean sed adipiscing diam donec.
Tincidunt tortor aliquam nulla facilisi cras fermentum odio
eu. Velit sed ullamcorper morbi tincidunt ornare massa
eget egestas.
In metus vulputate eu scelerisque felis. Venenatis a
condimentum vitae sapien pellentesque habitant. Cras
tincidunt lobortis feugiat vivamus at. Arcu felis bibendum ut
tristique et.
TAG- Discuss with your partner
Tell your opinion about the understanding of the concepts,
Ask a thoughtful question, and
Give a positive suggestion.
15
What did I know at the start? What didn’t I know?
What do I know now?
What do I need to know?
How well did I do?
Exit Ticket
Jot down in the notebook
Python
Conditional
statements
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