Find the maximum value in a list of tuples in Python

Question

Possible Duplicate    Sorting or Finding Max Value by the second element in a nested list  Python       I have a list with  10 6 tuples in it like this     101  153    255  827    361  961                    X     Y   I want to find the maximum value of the Ys in this list  but also want to know the X that it is bound to   How do I do this

User · Answer

In addition to max  you can also sort    gt  gt  gt  lis   101  153    255  827    361  961    gt  gt  gt  sorted lis key lambda x  x 1   reverse True  0   361  961

User · Answer

You could loop through the list and keep the tuple in a variable and then you can see both values from the same variable     num  0  0  for item in tuplelist    if item 1  gt num 1       num item  num has the whole tuple with the highest y value and its x value

User · Answer

Use max        Using itemgetter     In  53   lis   101  153    255  827    361  961    In  81   from operator import itemgetter  In  82   max lis key itemgetter 1   0      faster solution Out 82   361   using lambda   In  54   max lis key lambda item item 1   Out 54    361  961   In  55   max lis key lambda item item 1   0  Out 55   361   timeit comparison   In  30    timeit max lis key itemgetter 1   1000 loops  best of 3  232 us per loop  In  31    timeit max lis key lambda item item 1   1000 loops  best of 3  556 us per loop

[python] Find the maximum value in a list of tuples in Python

Examples related to python

Examples related to list

Examples related to tuples