#!/usr/bin/python3
"""
L-20 MCS 507 Fri 6 Oct 2023 : web_det.py
The script prepares the input to compute the determinant
of a matrix entered via a web browser.
The determinant is computed with the script compute_det.py.
"""
import cgi
def print_header(title):
"""
Writes title and header of page.
"""
print("""Content-type: text/html
%s
""" % title)
def ask_dimension():
"""
Form to enter the dimension.
"""
print("""""")
def ask_matrix(dim):
"""
Form to enter a dim-by-dim matrix.
"""
print("""")
def main():
"""
Web interface to compute a determinant.
"""
print_header("compute determinant")
form = cgi.FieldStorage()
if "dim" not in form:
ask_dimension()
else:
dim = int(form["dim"].value)
ask_matrix(dim)
print("\n")
main()