查询学员作业提交情况

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(submissions_csv)).to_sql('submissions', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(assignments_csv)).to_sql('assignments', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(courses_csv)).to_sql('courses', conn, index=False, if_exists='replace')

    result = pd.read_sql_query("""
        SELECT c.title AS course_title, a.title AS assignment_title,
               s.score, s.submitted_at
        FROM submissions s
        JOIN assignments a ON s.assignment_id = a.id
        JOIN courses c ON a.course_id = c.id
        WHERE s.student_id = 1
        ORDER BY s.submitted_at
    """, conn)
    print(result.to_string(index=False))
    conn.close()