# The following short XML file called "mammals.xml" is parsed 
# in the code below. It must be in the project's "data" folder.
#
# <?xml version="1.0"?>
# <mammals>
#     <animal id="0"species="Capra hircus">Goat</animal>
#     <animal id="1"species="Panthera pardus">Leopard</animal>
#     <animal id="2"species="Equus zebra">Zebra</animal>
# </mammals>
def setup(): 
    xml = loadXML("mammals.xml")
    firstChild = xml.getChild("animal")
    print(firstChild.getFloat("id"))
    firstChild.setFloat("id", 123.456789)
    print(firstChild.getFloat("id"))
# Sketch prints:
# 0.0
# 123.456787109375