Answers for "python sort by first element then second"

2

sort tuple by first element python

a = [(5,8), (3,4), (9,7)]

#sort by first element in tuple
result = sorted(a, key=lambda tup: tup[0])

#OR to do inplace sort:

a.sorted(key = lambda tup: tup[0])

# output
[(3, 4), (5, 8), (9, 7)]
Posted by: Guest on April-30-2020
0

sort first element reverse sort second python

>>> sorted(lista, key=lambda x: (-x[0], x[1]))
[(485, 'Elizabeth'), (485, 'Matthew'), (390, 'Jayden'), (207, 'Natalie'), (144, 'Chloe'), (51, 'Elijah')]
Posted by: Guest on March-31-2021

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