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Move unique chars to a class

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This commit is contained in:
Donne Martin 2016-08-13 06:42:05 -04:00
parent 14a2751862
commit 8a7c14239c
3 changed files with 48 additions and 31 deletions
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9
arrays_strings/unique_chars/test_unique_chars.py
View File

@ -13,10 +13,13 @@ class TestUniqueChars(object):
def main(): def main():
test = TestUniqueChars() test = TestUniqueChars()
test.test_unique_chars(unique_chars) unique_chars = UniqueChars()
test.test_unique_chars(unique_chars.has_unique_chars)
try: try:
test.test_unique_chars(unique_chars_hash) unique_chars_set = UniqueCharsSet()
test.test_unique_chars(unique_chars_inplace) test.test_unique_chars(unique_chars_set.has_unique_chars)
unique_chars_in_place = UniqueCharsInPlace()
test.test_unique_chars(unique_chars_in_place.has_unique_chars)
except NameError: except NameError:
# Alternate solutions are only defined # Alternate solutions are only defined
# in the solutions file # in the solutions file

17
arrays_strings/unique_chars/unique_chars_challenge.ipynb
View File

@ -81,9 +81,11 @@
}, },
"outputs": [], "outputs": [],
"source": [ "source": [
"def unique_chars(string):\n", "class UniqueChars(object):\n",
" # TODO: Implement me\n", "\n",
" pass" " def has_unique_chars(self, string):\n",
" # TODO: Implement me\n",
" pass"
] ]
}, },
{ {
@ -124,10 +126,13 @@
"\n", "\n",
"def main():\n", "def main():\n",
" test = TestUniqueChars()\n", " test = TestUniqueChars()\n",
" test.test_unique_chars(unique_chars)\n", " unique_chars = UniqueChars()\n",
" test.test_unique_chars(unique_chars.has_unique_chars)\n",
" try:\n", " try:\n",
" test.test_unique_chars(unique_chars_hash)\n", " unique_chars_set = UniqueCharsSet()\n",
" test.test_unique_chars(unique_chars_inplace)\n", " test.test_unique_chars(unique_chars_set.has_unique_chars)\n",
" unique_chars_in_place = UniqueCharsInPlace()\n",
" test.test_unique_chars(unique_chars_in_place.has_unique_chars)\n",
" except NameError:\n", " except NameError:\n",
" # Alternate solutions are only defined\n", " # Alternate solutions are only defined\n",
" # in the solutions file\n", " # in the solutions file\n",

53
arrays_strings/unique_chars/unique_chars_solution.ipynb
View File

@ -93,10 +93,12 @@
}, },
"outputs": [], "outputs": [],
"source": [ "source": [
"def unique_chars(string):\n", "class UniqueCharsSet(object):\n",
" if string is None:\n", "\n",
" return False\n", " def has_unique_chars(self, string):\n",
" return len(set(string)) == len(string)" " if string is None:\n",
" return False\n",
" return len(set(string)) == len(string)"
] ]
}, },
{ {
@ -138,16 +140,18 @@
}, },
"outputs": [], "outputs": [],
"source": [ "source": [
"def unique_chars_hash(string):\n", "class UniqueChars(object):\n",
" if string is None:\n", "\n",
" return False\n", " def has_unique_chars(self, string):\n",
" chars_set = set()\n", " if string is None:\n",
" for char in string:\n",
" if char in chars_set:\n",
" return False\n", " return False\n",
" else:\n", " chars_set = set()\n",
" chars_set.add(char)\n", " for char in string:\n",
" return True" " if char in chars_set:\n",
" return False\n",
" else:\n",
" chars_set.add(char)\n",
" return True"
] ]
}, },
{ {
@ -184,13 +188,15 @@
}, },
"outputs": [], "outputs": [],
"source": [ "source": [
"def unique_chars_inplace(string):\n", "class UniqueCharsInPlace(object):\n",
" if string is None:\n", "\n",
" return False\n", " def has_unique_chars(self, string):\n",
" for char in string:\n", " if string is None:\n",
" if string.count(char) > 1:\n",
" return False\n", " return False\n",
" return True" " for char in string:\n",
" if string.count(char) > 1:\n",
" return False\n",
" return True"
] ]
}, },
{ {
@ -232,10 +238,13 @@
"\n", "\n",
"def main():\n", "def main():\n",
" test = TestUniqueChars()\n", " test = TestUniqueChars()\n",
" test.test_unique_chars(unique_chars)\n", " unique_chars = UniqueChars()\n",
" test.test_unique_chars(unique_chars.has_unique_chars)\n",
" try:\n", " try:\n",
" test.test_unique_chars(unique_chars_hash)\n", " unique_chars_set = UniqueCharsSet()\n",
" test.test_unique_chars(unique_chars_inplace)\n", " test.test_unique_chars(unique_chars_set.has_unique_chars)\n",
" unique_chars_in_place = UniqueCharsInPlace()\n",
" test.test_unique_chars(unique_chars_in_place.has_unique_chars)\n",
" except NameError:\n", " except NameError:\n",
" # Alternate solutions are only defined\n", " # Alternate solutions are only defined\n",
" # in the solutions file\n", " # in the solutions file\n",