横向柱状图and纵向柱状图

from matplotlib import pyplot as plt

from pylab import mpl
mpl.rcParams['font.sans-serif']=['SimHei']

a=["张三","李四","王五","赵六"]
b=[780,620,950,800]

plt.figure(figsize=(20,8),dpi=80)
#绘制条形图
plt.bar(range(len(a)),b,width=0.3)
plt.xticks(range(len(a)),a)

plt.show()

from matplotlib import pyplot as plt

from pylab import mpl
mpl.rcParams['font.sans-serif']=['SimHei']

a=["张三","李四","王五","赵六"]
b=[780,620,950,800]

plt.figure(figsize=(20,8),dpi=80)

#绘制条形图
plt.barh(range(len(a)),b,height=0.3)

#将字符串设置到x轴
plt.yticks(range(len(a)),a)

plt.show()