1a = [(5,8), (3,4), (9,7)]
2
3#sort by first element in tuple
4result = sorted(a, key=lambda tup: tup[0])
5
6#OR to do inplace sort:
7
8a.sorted(key = lambda tup: tup[0])
9
10# output
11[(3, 4), (5, 8), (9, 7)]
12
1# lists_of_tuples = [('item', 'price'), ('item', 'price'), ('item', 'price')]
2def sort_prices(list_of_tuples): #sort the list b*y the price of each tuple
3 list_of_tuples.sort(key=lambda x: x[1], reverse=True) #earse the "reverse" part to sort in small to big.
4 return list_of_tuples, print(list_of_tuples)