feat: finish length of last word in python

Author: bujosa

alternative/easy/length_of_last_word.py

@@ -0,0 +1,19 @@
+def length_of_last_word(s):
+ count = 0
+ last_word = False
+ for c in reversed(s):
+ if c == ' ':
+ if last_word:
+ break
+ else:
+ last_word = True
+ count += 1
+ return count
+
+# Test cases
+assert length_of_last_word("Hello World") == 5
+assert length_of_last_word(" ") == 0
+assert length_of_last_word("a ") == 1
+assert length_of_last_word("a") == 1
+assert length_of_last_word("") == 0
+assert length_of_last_word(" fly me to the moon ") == 4