1class OrderedDict: 2 "" 3 4 def clear(): 5 pass 6 7 def copy(): 8 pass 9 10 def fromkeys(): 11 pass 12 13 def get(): 14 pass 15 16 def items(): 17 pass 18 19 def keys(): 20 pass 21 22 def pop(): 23 pass 24 25 def popitem(): 26 pass 27 28 def setdefault(): 29 pass 30 31 def update(): 32 pass 33 34 def values(): 35 pass 36 37 38class deque: 39 "" 40 41 def append(): 42 pass 43 44 def popleft(): 45 pass 46 47 48def namedtuple(): 49 pass 50