Flatten a list of lists containing single strings to a list of ints
You can simply do this:
allyears = [int(i[0]) for i in allyears]
Because all the elements in your allyears
is a list which has ony one element, so I get it by i[0]
The error is because ypu can't convert a list
to an int
You're very close, you just need to take the first (and only) element of allyears[i]
before doing the int
conversion:
for i in range(0, len(allyears)):
allyears[i] = int(allyears[i][0])
Alternatively, you could do this in one line using a list comprehension:
allyears = [int(l[0]) for l in allyears]