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Merge pull request #50 from amcheng/master

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replace list comprehension with map function
This commit is contained in:
crista
2019-12-16 15:54:38 -08:00
committed by GitHub
parent 9acd61f160 3250ac1188
commit ebeba3d34c
1 changed files with 2 additions and 2 deletions
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03-arrays/tf-03.py
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@@ -30,11 +30,11 @@ w_ranges = w_ranges[np.where(w_ranges[:, 1] - w_ranges[:, 0] > 1)]
# [ 7, 13]], dtype=int64) # [ 7, 13]], dtype=int64)
# Voila! Words are in between spaces, given as pairs of indices # Voila! Words are in between spaces, given as pairs of indices
words = [characters[w_ranges[i][0] : w_ranges[i][1]] for i in range(len(w_ranges))] words = list(map(lambda r: characters[r[0]:r[1]], w_ranges))
# Result: [array([' ', 'h', 'e', 'l', 'l', 'o'], dtype='<U1'), # Result: [array([' ', 'h', 'e', 'l', 'l', 'o'], dtype='<U1'),
# array([' ', 'w', 'o', 'r', 'l', 'd'], dtype='<U1')] # array([' ', 'w', 'o', 'r', 'l', 'd'], dtype='<U1')]
# Let's recode the characters as strings # Let's recode the characters as strings
swords = np.array([''.join(row).strip() for row in words]) swords = np.array(list(map(lambda w: ''.join(w).strip(), words)))
# Result: array(['hello', 'world'], dtype='<U5') # Result: array(['hello', 'world'], dtype='<U5')
# Next, let's remove stop words # Next, let's remove stop words