#!/usr/bin/python3
# ====================================================================
# read minimum path matrix from a JSON file
# ====================================================================

import shortest_path as sp

jfile = "shortest_path.json"

# --------------------------------------------------------------------
# ---- main
# --------------------------------------------------------------------

paths = sp.input_json_file(jfile)

print()
print(f'file {jfile} read')

print()
sp.display_matrix(paths,'minimum paths')
print()

print('verify data type')
print(f'paths[1][3] {type(paths[1][3])}')
print()