Program to convert a given string to Pig Latin

strings/pig_latin.py

@@ -0,0 +1,44 @@
+def pig_latin(word: str) -> str:
+    """Compute the piglatin of a given string.
+
+    https://en.wikipedia.org/wiki/Pig_Latin
+
+    Usage examples:
+    >>> pig_latin("pig")
+    'igpay'
+    >>> pig_latin("latin")
+    'atinlay'
+    >>> pig_latin("banana")
+    'ananabay'
+    >>> pig_latin("friends")
+    'iendsfray'
+    >>> pig_latin("smile")
+    'ilesmay'
+    >>> pig_latin("string")
+    'ingstray'
+    >>> pig_latin("eat")
+    'eatway'
+    >>> pig_latin("omelet")
+    'omeletway'
+    >>> pig_latin("are")
+    'areway'
+    >>> pig_latin(" ")
+    ''
+    >>> pig_latin(None)
+    ''
+    """
+    if not (word or "").strip():
+        return ""
+    word = word.lower()
+    if word[0] in "aeiou":
+        return f"{word}way"
+    for i, char in enumerate(word):  # noqa: B007
+        if char in "aeiou":
+            break
+    return f"{word[i:]}{word[:i]}ay"
+
+
+if __name__ == "__main__":
+    print(f"{pig_latin('friends') = }")
+    word = input("Enter a word: ")
+    print(f"{pig_latin(word) = }")