from _project import *
from _0_base import *

open_project("net")
add_node("net", "n-1", JUNCTION)
if have_node("net", "n-1"):
    delete_node("net", "n-1")
print(have_node("net", "n-1"))

open_project("net")
add_link("net", "l-1", PIPE)
if have_link("net", "l-1"):
    delete_link("net", "l-1")
print(have_link("net", "l-1"))