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Showing content from https://www.geeksforgeeks.org/python/python-maximum-minimum-set/ below:

Maximum and Minimum element in a Set in Python

Last Updated : 11 Apr, 2025

We are given a set and our task is to find the maximum and minimum elements from the given set. For example, if we have a = {3, 1, 7, 5, 9}, the maximum element should be 9, and the minimum element should be 1.

Let’s explore different methods to do it:

1. Using min() & max() function

The built-in min() and max() function in Python can be used to get the minimum or maximum element of all the elements in a set. It iterates through all the elements and returns the minimum or maximum element.

Python


 s1 = {4, 12, 10, 9, 4, 13}

print("Minimum element: ", min(s1))      
print("Maximum element: ", max(s1))

Output

Minimum element:  4
Maximum element:  13

Explanation: min() and max() returns the minimun and maximum elements respectively of the set here.

Note: Using min() or max() function on a heterogeneous set (containing multiple data types), such as {"Geeks", 11, 21, 'm'}, raises a 'TypeError' because Python cannot compare different data types.

2. Using sorted() function

The built-in sorted() function in Python can be used to get the maximum or minimum of all the elements in a set. We can use it to sort the set and then access the first and the last element for min and max values.

Python


 s = {5, 3, 9, 1, 7}

# Sorting the set (converts it into a sorted list)
sorted_s = sorted(s)

print("Minimum element: ", sorted_s[0])
print("Maximum element: ", sorted_s[-1])

Output

Minimum element:  1
Maximum element:  9

Explanation: sorted() function returns a new list with elements arranged in ascending order. The first element, sorted_s[0], represents the minimum value, while the last element, sorted_s[-1], gives the maximum value.

3. Using loops

We can iterate through the set while maintaining min and max variables, updating them as needed, to determine the minimum and maximum elements.

Python


 s = {5, 3, 9, 1, 7}

# Initialize min and max with extreme values
min_val = float('inf')
max_val = float('-inf')

# Iterate through the set to find min and max
for ele in s:
    if ele < min_val:
        min_val = ele
    if ele > max_val:
        max_val = ele

print("Minimum element:", min_val)
print("Maximum element:", max_val)

Output

Minimum element: 1
Maximum element: 9

Explanation:

float('inf') and float('-inf') are used to initialize min_val and max_val with extreme maximum and minimum values respectively, ensuring any element in the set will update them.
loop iterates through each element, updating min_val if the current element is smaller and max_val if it is larger and after complete iteration we get our max and min values.

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