import csv, json
def main():
    flOut = open('insts.json', 'w')
    if not flOut:
        print('Cannot write to insts.json')
        exit(1)
    flIn = open('insts.tsv', 'r')
    if not flIn:
        print('Cannot read insts.tsv')
        exit(1)
    reader = csv.DictReader(flIn, delimiter='\t')
    data = list(reader)
    json.dump(data, flOut, indent = 4)
#end main
    
if __name__ ==  "__main__":
    main()