Python program to find odd and even numbers from a list

Python program to find odd and even number from list

In this tutorial, we are going to discuss how to find odd and even numbers from a list in the Python program.

Even number produces zero balance when the number is divided by two.

Odd number produces one as balance when the number is divided by two.

Example of even number 2,4,6,8,…..

Example of odd number 1,3,5,7,…..

 

A modular operator is used to separate odd or even numbers.

if n%2==0,  n is a even number

if n%2==1,  n is a odd number

 

Program 1

numbers=[23,56,76,78,90,35,12,45]  #defined a list 

for i in numbers: //for loop use to iterates each number
    if(i%2)==0:  
        print i, "is even"   //print even number
    else:
        print i, "is odd"     //print odd number

When the above code is executed, it produces the following results

23 is odd
56 is even
76 is even
78 is even
90 is even
35 is odd
12 is even
45 is odd

 

Approach

• To begin with, a user can use input() function to create a length of list for the numbers.
• Then, it is initialized by a list called “NumberList=[] ” which has no numbers.
  
• Next, an input is received for each number in the list using the “for loop”.
• The  “For loop”  appends each number to the list, NumberList=[]
• Then, the second “for loop”  checks whether the number is even or odd in the list using the modular operator.
• Finally, The odd and even numbers are displayed on the screen

if n%2==0,  n is an even number

if n%2==1,  n is an odd number

• finally  even and odd numbers are displayed on the screen

Program 2

NumberList=[]

size=int(input("Enter the total number of list elemnts: "))
for i in range(size):
    element=int(input("please Enter the value of %d elements: "%i))
    NumberList.append(element)
    
print("find odd and even here")
for i in range(size):
    if(NumberList[i]%2)==0:
        print NumberList[i], "is even"
    else:
        print NumberList[i], "is odd"

When the above code is executed, it produces the following results

Enter the total number of list elemnts: 7
please Enter the value of 0 elements: 12
please Enter the value of 1 elements: 23
please Enter the value of 2 elements: 34
please Enter the value of 3 elements: 45
please Enter the value of 4 elements: 56
please Enter the value of 5 elements: 67
please Enter the value of 6 elements: 78
find odd and even here
12 is even
23 is odd
34 is even
45 is odd
56 is even
67 is odd
78 is even

 

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