cut into n bins with same number of elements code example
Example: difference between cut and qcut pandas
df['ext price'].value_counts(bins=4, sort=False)
#res
(55603.988000000005, 87998.212] 5
(87998.212, 120263.375] 12
(120263.375, 152528.538] 2
(152528.538, 184793.7] 1
Name: ext price, dtype: int64