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Start your free trialMateo Rial
3,694 PointsI donΒ΄t understand what I am supposed to do
'''python import unittest
from string_fun import get_anagrams
class AnagramTestCase(unittest.TestCase): def test_empty_string(self): pass
import unittest
from string_fun import get_anagrams
class AnagramTestCase(unittest.TestCase):
def test_empty_string(self):
pass
import itertools
def is_palindrome(yarn):
"""Return whether or not a string is a palindrome.
A palindrome is a word/phrase that's the same in
both directions.
"""
return yarn == yarn[::-1]
def get_anagrams(*yarn):
"""Return a list of anagrams for a string."""
# If only one letter came in, return it
if yarn:
if len(yarn[0]) == 1:
return list(yarn)
elif len(yarn[0] == 0):
raise ValueError("Must provide at least two letters")
else:
raise ValueError("Must provide at least two letters")
# Get all of the words from the dictionary
words = set([
w.strip().lower() for w in open('words.txt')
])
output = set()
for thread in yarn:
thread = thread.lower()
# Find all possible anagrams
for i in range(2, len(thread)):
fibers = set(
[''.join(w) for w in itertools.permutations(thread, i)]
)
output.update(fibers.intersection(words))
# Finally, return all of the combinations that are in the dictionary
return sorted(list(output))
1 Answer
Ricky Catron
13,023 PointsOkay so the get_anagrams function throws an errors when the string passed to it is empty. The test you need to write is to "assert" that when the function is called with an empty string that it throws the expected error.
Mateo Rial
3,694 PointsMateo Rial
3,694 PointsThanks Ricky!!
python''' import unittest
from string_fun import get_anagrams
class AnagramTestCase(unittest.TestCase): def test_empty_string(self): with self.assertRaises(ValueError): get_anagrams("")
Ricky Catron
13,023 PointsRicky Catron
13,023 PointsSeems right. Glad I could help!