python制作动态排序图，,一、代码import

python制作动态排序图，,一、代码import

一、代码

import pandas as pdimport matplotlib.pyplot as pltimport  matplotlib.ticker as tickerimport matplotlib.animation as animationdf = pd.read_csv(r‘动态排序数据.csv‘,                 usecols=[‘name‘, ‘group‘, ‘year‘, ‘value‘])colors = dict(zip(    [‘India‘, ‘Europe‘, ‘Asia‘, ‘Latin America‘,     ‘Middle East‘, ‘North America‘, ‘Africa‘],    [‘#adb0ff‘, ‘#ffb3ff‘, ‘#90d595‘, ‘#e48381‘,     ‘#aafbff‘, ‘#f7bb5f‘, ‘#eafb50‘]))group_lk = df.set_index(‘name‘)[‘group‘].to_dict()fig, ax = plt.subplots(figsize=(15, 8))def draw_barchart(year):    dff = df[df[‘year‘].eq(year)].sort_values(by=‘value‘, ascending=True).tail(10)    ax.clear()    ax.barh(dff[‘name‘], dff[‘value‘], color=[colors[group_lk[x]] for x in dff[‘name‘]])    dx = dff[‘value‘].max() / 200    for i, (value, name) in enumerate(zip(dff[‘value‘], dff[‘name‘])):        ax.text(value - dx, i, name, size=14, weight=600, ha=‘right‘, va=‘bottom‘)        ax.text(value - dx, i - .25, group_lk[name], size=10, color=‘#444444‘, ha=‘right‘, va=‘baseline‘)        ax.text(value + dx, i, f‘{value:,.0f}‘, size=14, ha=‘left‘, va=‘center‘)    # ... polished styles    ax.text(1, 0.4, year, transform=ax.transAxes, color=‘#777777‘, size=46, ha=‘right‘, weight=800)    ax.text(0, 1.06, ‘Population (thousands)‘, transform=ax.transAxes, size=12, color=‘#777777‘)    ax.xaxis.set_major_formatter(ticker.StrMethodFormatter(‘{x:,.0f}‘))    ax.xaxis.set_ticks_position(‘top‘)    ax.tick_params(axis=‘x‘, colors=‘#777777‘, labelsize=12)    ax.set_yticks([])    ax.margins(0, 0.01)    ax.grid(which=‘major‘, axis=‘x‘, linestyle=‘-‘)    ax.set_axisbelow(True)    ax.text(0, 1.11, ‘The most populous cities in the world from 1968 to 2018‘,            transform=ax.transAxes, size=24, weight=600, ha=‘left‘)    ax.text(1, 0, ‘by maple‘, transform=ax.transAxes, ha=‘right‘,size=15,                color=‘#777777‘, bbox=dict(facecolor=‘white‘, alpha=0.8, edgecolor=‘white‘))    plt.box(False)animator = animation.FuncAnimation(fig=fig, func=draw_barchart, frames=range(1968, 2019))animator.save("动态排序.gif")

数据地址：

https://pan.baidu.com/s/1Qml2z48B4-6PEB1Pjg4v_w

提取密码：2jb4

python制作动态排序图