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Python 3 - Decision Making
Shery Dsouza
2 years ago
Table of Contents
- Introduction
- Python Decision-Making Structure
- Decision-making statements
1. if Statement
2. if-else statement
3. if-elif ladder
Introduction
Decision-making is the conditional choice. The block of code is executed based on the condition. If the condition is not satisfied then the next condition is executed.
In Decision-making conditional expression produce "TRUE" or "FALSE" result. If the result is TRUE first statement is executed and if the result is FALSE second statement is executed.
Python Decision-Making Structure
- In decision-making zero or null values consider as FALSE and non-zero or non-null values consider as TRUE.
- In the Python programming language, there are various types of choice-making statements.
You can use one if or else if statement or use can use if-elif ladder .
Recommended blog for you : Python 3 - Lists
Decision-making Statements
1. if Statement
It is a single-line and simple statement.
Example :
value = 1000
if ( value == 1000 ) :
print ("Value of expression is 1000")Output :
Value of expression is 10002. if-else statement
The if-else statement checks the condition . If result is TRUE then execute if block otherwise execute else block.
Example :
no1 = 10
no2 = 50
if(no1 >= no2 ):
print(“ No 1 is greater than No 2”)
else:
print(“No 2 is greater than No 1”)Output :
No 2 is greater than No 13. if-elif ladder
The elif statement check multiple conditions.It execute the condition if one of the result is TRUE.
Example :
value1 = 10
value2 = 10
if value1 > value2:
print("value1 is greater")
elif value1 == value2:
print("both are equal")
else:
print("value2 is greater")Output :
both are equalLike the Blog, then Share it with your friends and colleagues to make this AI community stronger.
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