Python Exercise: Sort a tuple by its float element

Python tuple: Exercise-23 with Solution

Write a Python program to sort a tuple by its float element.

Sample Solution:-

Python Code:

price = [('item1', '12.20'), ('item2', '15.10'), ('item3', '24.5')]
print( sorted(price, key=lambda x: float(x[1]), reverse=True))

Sample Output:

[('item3', '24.5'), ('item2', '15.10'), ('item1', '12.20')] 


Flowchart: Sort a tuple by its float element

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Python: Tips of the Day

Returns the maximum value of a list, after mapping each element to a value using the provided function


def tips_max(lst, fn):
  return max(map(fn, lst))

print(tips_max([{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }], lambda v : v['n']))