import pandas as pd


def export_csv_with_name_and_grade(student_name: str, grade: str):
    students_df = pd.read_csv("files/students.csv", index_col=False)
    grades_df = pd.read_csv("files/grades.csv", index_col=False)

    print(students_df)
    print(grades_df)

    students_grades_df = students_df.merge(
        grades_df, left_on="Student_ID", right_on="ID"
    )

    solution = students_grades_df[
        (students_grades_df["Name"] == student_name)
        & (students_grades_df["Grade"] == grade)
    ]

    solution[["Student_ID", "Class"]].to_csv("files/output.csv", index=False)