ch06

ch06/oop/class.methods.split.py

@@ -0,0 +1,35 @@
+# oop/class.methods.split.py
+class StringUtil:
+
+    @classmethod
+    def is_palindrome(cls, s, case_insensitive=True):
+        s = cls._strip_string(s)
+        # For case insensitive comparison, we lower-case s
+        if case_insensitive:
+            s = s.lower()
+        return cls._is_palindrome(s)
+
+    @staticmethod
+    def _strip_string(s):
+        return ''.join(c for c in s if c.isalnum())
+
+    @staticmethod
+    def _is_palindrome(s):
+        for c in range(len(s) // 2):
+            if s[c] != s[-c -1]:
+                return False
+        return True
+
+    @staticmethod
+    def get_unique_words(sentence):
+        return set(sentence.split())
+
+print(StringUtil.is_palindrome('A nut for a jar of tuna'))  # True
+print(StringUtil.is_palindrome('A nut for a jar of beans'))  # False
+
+
+"""
+$ python class.methods.split.py
+True
+False
+"""