问python生成关键字的直方图/pareto图

EN

from collections import Counter

x = ['spam', 'ham', 'eggs', 'ham', 'chips', 'eggs',  'spam', 'spam', 'spam']

counts = Counter(x)
print(counts)
# Counter({'spam': 4, 'eggs': 2, 'ham': 2, 'chips': 1})

from matplotlib import pyplot as plt
import numpy as np

# sort counts in descending order
labels, heights = zip(*sorted(((k, v) for k, v in counts.items()), reverse=True))

# lefthand edge of each bar
left = np.arange(len(heights))

fig, ax = plt.subplots(1, 1)
ax.bar(left, heights, 1)
ax.set_xticks(left + 0.5)
ax.set_xticklabels(labels,  fontsize='large')

lst = ['abc', 'def', 'python', 'abc', 'python']
wordcount = {}
for word in lst:
    wordcount.setdefault(word,0)
    wordcount[word] += 1