找出僵尸学员（报名后零进度）

def solve():
    from pyodide.http import open_url
    instructors_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/instructors.csv").read()
    courses_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/courses.csv").read()
    students_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/students.csv").read()
    enrollments_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/enrollments.csv").read()
    assignments_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/assignments.csv").read()
    submissions_csv = open_url("https://data.zuihe.com/dbd/education/state_D01/submissions.csv").read()
    import sqlite3
    import pandas as pd
    from io import StringIO

    conn = sqlite3.connect(':memory:')
    pd.read_csv(StringIO(enrollments_csv)).to_sql('enrollments', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(students_csv)).to_sql('students', conn, index=False, if_exists='replace')

    result = pd.read_sql_query("""
        SELECT s.name AS username, s.email,
               COUNT(*) AS zero_progress_count
        FROM enrollments e
        JOIN students s ON e.student_id = s.id
        WHERE e.progress = 0
        GROUP BY s.id, s.name, s.email
        ORDER BY zero_progress_count DESC
    """, conn)
    print(result.to_string(index=False))
    conn.close()