sort a list of tuple on first element ython code example
Example: 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)]