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Get Max Value and its Index in a Tuple in Python

In this tutorial, we will look at how to get the max value and its corresponding index in a tuple in Python with the help of some examples.

You can use the Python built-in max() function to get the max value in a tuple. Alternatively, you can also iterate through the tuple to find the maximum value.

Get the max value in a tuple

Let’s look at the two methods with the help of examples.

The Python built-in max() function returns the maximum value in an iterable. Pass the tuple as an argument to get its maximum value.

# create a tuple
t = (1, 7, 5, 2, 4)
# get max value in tuple
print(max(t))

Output:

7

We get the maximum value of the tuple t as 7.

To get the index corresponding to the max value, you can use the tuple’s index() function. This function returns the index of the first occurrence of the element inside the tuple. If the element is not present, it raises an error.

# create a tuple
t = (1, 7, 5, 2, 4)

# find max value
max_val = max(t)
# display its index
print(t.index(max_val))

Output:

1

We get the index of the max value as 1.

Alternatively, you can iterate through each value in the tuple and keep track of the maximum value to find the max value in the tuple. You can also keep track of the index of the maximum value.

Let’s look at an example.

# create a tuple
t = (1, 7, 5, 2, 4)

# find max value using loop
max_val = t[0]
max_val_idx = 0
for i in range(len(t)):
    if t[i] > max_val:
        max_val = t[i]
        max_val_idx = i
    
# display the max value
print(max_val)
# display its index
print(max_val_idx)

Output:

7
1

We get the maximum value and its index in the tuple.

Note that if your tuple contains more than one occurrence of a value, the index() function will only return its first occurrence. To get all the indexes of occurrence, you iterate through the elements in a list comprehension.

# create a tuple
t = (1, 7, 5, 2, 7)

# get all indexes of 7
idx = [i for i in range(len(t)) if t[i] == 7]
print(idx)

Output:

[1, 4]

We get all the indexes of occurrence for the value 7 in the tuple t.

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Author

  • Piyush is a data scientist passionate about using data to understand things better and make informed decisions. In the past, he's worked as a Data Scientist for ZS and holds an engineering degree from IIT Roorkee. His hobbies include watching cricket, reading, and working on side projects.