collections_extended_bag_setlist_rangemap_quickstart.py

1from collections_extended import Bag, setlist, RangeMap
2
3# Bags are unordered collections that can contain multiple instances of the same element
4b = Bag('abracadabra')
5print(b.count('a'))  # 5
6b.add('z')
7b.remove('a')
8
9# setlists are ordered collections of unique elements (a list and a set combined)
10sl = setlist('abracadabra')
11print(sl)  # setlist(['a', 'b', 'r', 'c', 'd'])
12print(sl[2])  # 'r'
13sl.append('z')
14
15# RangeMaps map ranges of values to a single value
16rm = RangeMap()
17rm[1:5] = 'foo'
18rm[5:10] = 'bar'
19print(rm[3])  # 'foo'
20print(rm[7])  # 'bar'