import random
myDict = {"IronSword" : 15, "SteelSword" : 30, "Playing Cards" : 45, "Spider legs" : 60"}
d = random.functionNameHere(myDict, 1) # Same arguments as random.sample()
print d

items = list(myDict.items())        # list of key/value pairs
 key, value = random.choice(items)   # pick a random pair
 print {key: value}                  # make a dictionary out of the result

>>> dict(random.sample(myDict.items(), 1))
{'Playing Cards': 45}

from random import choice
d = dict([choice(myDict.items())])
print d

def getOne():
    k = random.choice(myDict.keys())
    v = myDict[k]
    return (k,v)

>>> getOne()
('SteelSword', 30)
>>> getOne()
('Spiderlegs', 60)
>>> getOne()
('Spiderlegs', 60)
>>> getOne()
('SteelSword', 30)
>>> getOne()
('Playing Cards', 45)

import random
myDict = {"IronSword" : 15, "SteelSword" : 30, "Playing Cards" : 45, "Spider legs" : 60}
random_keys = random.sample(myDict.keys(), 2)
d = {k: myDict[k] for k in random_keys}
return d