dict_?=?{'box1':?['apple',?'orange','peach'],?'box2':?[?'basketball','baseball',?'cherry',?'blueberry']}
for?k,v?in?dict_.items():
cnt?=0
for?item?in?v:
if?item.find('ball')>=0:
cnt+=1
print?k,'has?',cnt,'?balls'?
------------------
box1?has?0?balls
box2?has?2?balls