Python math.comb() Method
Python math.comb(n, k)Used to calculate the number of combinations, which represents the total number of ways to select k elements from n distinct elements.
The parameters passed must be positive integers.
Python version: 3.8
Syntax
The syntax of the math.comb() method is as follows:
math.comb(n, k)
Parameter description:
- n-- Required, positive integer number.
- k-- Required, positive integer number.
Return Value
Returns an integer representing the total number of combinations, returning the number of ways to select k elements from n distinct elements.
Example
The following example returns the total number of ways to select 5 items from 7 items:
Example
# Import the math package
import math
# Initialize the number of items available for selection
n = 7
# Initialize the number of possible choices available
k = 5
# Total number of combinations for selecting 5 items from 7 items
print (math.comb(n, k))
import math
# Initialize the number of items available for selection
n = 7
# Initialize the number of possible choices available
k = 5
# Total number of combinations for selecting 5 items from 7 items
print (math.comb(n, k))
Output result:
21Other Extensions
Python math Module