matplotlib之柱状图

 

# 柱状图
import matplotlib.pyplot as pltmovie_name = ['雷神3:诸神黄昏','正义联盟','东方快车谋杀案','寻梦环游记','全球风暴','降魔传','追捕','横坐标']
x = range(len(movie_name))
y = [73853,57767,22354,15969,14839,8725,8716,8318]plt.figure(figsize=(20,8), dpi=100)
bars = plt.bar(x, y, width=0.5, color=['b','r','g','y','c','m','y','k'])  # 修正颜色列表

plt.xticks(x, movie_name, rotation=45, ha='right')  # 标签防重叠
plt.grid(linestyle="--", alpha=0.5)
plt.title("电影票房收入对比")
plt.ylabel("票房（万元）")# 添加柱顶数值标签
for i, v in enumerate(y):plt.text(i, v+1000, str(v), ha='center', fontsize=10)plt.show()