Kaydet (Commit) 95b86143 authored tarafından Jeremy Hylton's avatar Jeremy Hylton

add an __len__ to Set and Stack

üst 41d84631
class Set:
def __init__(self):
self.elts = {}
def __len__(self):
return len(self.elts)
def add(self, elt):
self.elts[elt] = elt
def items(self):
......@@ -14,6 +16,8 @@ class Stack:
def __init__(self):
self.stack = []
self.pop = self.stack.pop
def __len__(self):
return len(self.stack)
def push(self, elt):
self.stack.append(elt)
def top(self):
......
class Set:
def __init__(self):
self.elts = {}
def __len__(self):
return len(self.elts)
def add(self, elt):
self.elts[elt] = elt
def items(self):
......@@ -14,6 +16,8 @@ class Stack:
def __init__(self):
self.stack = []
self.pop = self.stack.pop
def __len__(self):
return len(self.stack)
def push(self, elt):
self.stack.append(elt)
def top(self):
......
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