def delete_command(
n=-1, p=-1, t=-1 # id of the note to delete # id of the project to delete # id of the task to delete
):
"""
Delete the note, project or task specified.
"""
c = conn()
if n > 0:
Note.delete(c, n)
elif p > 0:
Project.delete(c, p)
elif t > 0:
Task.delete(c, t)
else:
raise Exception()
