find the largest value in a map in python

To find the largest value in a Python map, you can use the built-in max function along with a lambda expression to specify that you want to find the maximum value of the values() of the map. Here's an example:

main.py
my_map = {1: 10, 2: 20, 3: 30, 4: 40}

largest_value = max(my_map.values(), key=lambda x: x)

print(largest_value) # Output: 40
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Here, the max() function takes in the values() of the my_map object, and the key parameter specifies that the maximum value should be determined based on the actual values rather than the keys. The lambda expression simply returns each value to be compared by max().