spopham

import seaborn as sns
import numpy as np
import matplotlib.pyplot as plt

iris = sns.load_dataset('iris')

f, ax = plt.subplots(figsize=(10, 8))
species_list = np.unique(iris.species)
color_list = ['r', 'g', 'b']
data = [np.array(iris[iris.species==s].sepal_length) for s in species_list]