Tuple pairs, finding minimum using python

Question

I want to find the minimum of a list of tuples sorting by a given column. I have some data arranged as a list of 2-tuples for example.

data = [ (1, 7.57), (         


        

Answer 1

In [2]: min(data, key = lambda t: t[1])
Out[2]: (5, 0.01)

or:

In [3]: import operator

In [4]: min(data, key=operator.itemgetter(1))
Out[4]: (5, 0.01)