import pdrle
import pandas
x = pandas.Series(["a", "a", "b", "b", "a", "a", "a", "c"])
rle = pdrle.encode(x)
rle
# vals runs
# 0 a 2
# 1 b 2
# 2 a 3
# 3 c 1
y = pdrle.decode(rle.vals, rle.runs)
y
# 0 a
# 1 a
# 2 b
# 3 b
# 4 a
# 5 a
# 6 a
# 7 c
# dtype: object
pandas.concat({"x": x, "id": pdrle.get_id(x)}, axis=1)
# x id
# 0 a 0
# 1 a 0
# 2 b 1
# 3 b 1
# 4 a 2
# 5 a 2
# 6 a 2
# 7 c 3
pandas.concat({"x": x, "sn": pdrle.get_sn(x)}, axis=1)
# x sn
# 0 a 0
# 1 a 1
# 2 b 0
# 3 b 1
# 4 a 0
# 5 a 1
# 6 a 2
# 7 c 0