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Polish queue list solution

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This commit is contained in:
Donne Martin 2016-02-21 16:21:05 -05:00
parent 76da9ec98d
commit 7222f71f59
2 changed files with 11 additions and 17 deletions
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7
stacks_queues/queue_list/queue_list.py
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@ -24,14 +24,11 @@ class Queue(object):
# Empty list
if self.first is None and self.last is None:
return None
# Remove only element from a one element list
elif self.first == self.last:
data = self.first.data
# Remove only element from a one element list
if self.first == self.last:
self.first = None
self.last = None
return data
else:
data = self.first.data
self.first = self.first.next
return data

17
stacks_queues/queue_list/queue_list_solution.ipynb
View File

@ -142,15 +142,12 @@
" # Empty list\n",
" if self.first is None and self.last is None:\n",
" return None\n",
"\n",
" # Remove only element from a one element list\n",
" elif self.first == self.last:\n",
" data = self.first.data\n",
" # Remove only element from a one element list\n",
" if self.first == self.last:\n",
" self.first = None\n",
" self.last = None\n",
" return data\n",
" else:\n",
" data = self.first.data\n",
" self.first = self.first.next\n",
" return data"
]
@ -289,21 +286,21 @@
],
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