I am using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
[(1, 2000), (2, 2001), (3, 2002), (4, 2003), (5, 2004)]
Official documentation: enumerate(iterable, start=0)
So you would use it like this:
>>> seasons = ['Spring', 'Summer', 'Fall', 'Winter']
>>> list(enumerate(seasons))
[(0, 'Spring'), (1, 'Summer'), (2, 'Fall'), (3, 'Winter')]
>>> list(enumerate(seasons, start=1))
[(1, 'Spring'), (2, 'Summer'), (3, 'Fall'), (4, 'Winter')]