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Python Program for Frequencies of even and odd numbers in a matrix

  • Last Updated : 13 Jan, 2022

Given a matrix of order m*n then the task is to find the frequency of even and odd numbers in matrix 
Examples: 
 

Input : m = 3, n = 3
        { 1, 2, 3 }, 
        { 4, 5, 6 }, 
        { 7, 8, 9 }
Output : Frequency of odd number =  5 
         Frequency of even number = 4


Input :   m = 3, n = 3
         { 10, 11, 12 },
         { 13, 14, 15 },
         { 16, 17, 18 }
Output : Frequency of odd number  =  4 
         Frequency of even number  = 5

 

Python3




# Python Program to Find the frequency
# of even and odd numbers in a matrix
  
MAX=100
   
# Function for calculating frequency
def freq(ar, m, n):
    even = 0
    odd = 0
       
    for i in range(m):
        for j in range(n):
          
            # modulo by 2 to check
            # even and odd
            if ((ar[i][j] % 2) == 0):
                even += 1
            else:
                odd += 1
       
    # print Frequency of numbers
    print(" Frequency of odd number =", odd)
    print(" Frequency of even number =", even)
  
   
# Driver code
m = 3
n = 3    
       
array = [ [ 1, 2, 3 ],
        [ 4, 5, 6 ],
        [ 7, 8, 9 ] ]
   
freq(array, m, n)
  
# This code is contributed
# by Anant Agarwal.

Output: 
 

 Frequency of odd number = 5  
 Frequency of even number = 4

Please refer complete article on Frequencies of even and odd numbers in a matrix for more details!


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