data_analysis10

笔记

# matplotlib显示中文字符
from matplotlib import pyplot as plt
from matplotlib.font_manager import FontProperties

font = FontProperties(fname='C:/Windows/Fonts/msyh.ttc')
plt.rcParams['font.family'] = font.get_name()

interval = [0,5,10,15,20,25,30,35,40,45,60,90]
width = [5,5,5,5,5,5,5,5,5,15,30,60]
quantity = [836,2737,3723,3926,3596,1438,3273,642,824,613,215,47]

print(len(interval),len(width),len(quantity))

# 设置图形大小
plt.figure(figsize=(20,8),dpi=80)

plt.bar(range(12),quantity,width=1)

# 设置X轴的宽度
_x = [i-0.5 for i in range(13)]
_xtick_labels = interval+[150]
plt.xticks(_x,_xtick_labels)

plt.grid(alpha=0.4)

plt.show()