计算焦虑分数统计量

import pandas as pd

url = 'https://liangdaima.com/static/data/ds/exam_anxiety.csv'
df = pd.read_csv(url)
mean_val = df['anxiety'].mean()
median_val = df['anxiety'].median()
std_val = df['anxiety'].std()
print(f'{mean_val:.2f},{median_val:.2f},{std_val:.2f}')