Python: isogram

2021-06-08 14:35:20 +03:00 · 2021-06-08 14:35:20 +03:00 · 6223031c18
commit 6223031c18
parent 7cf9d0f24d
4 changed files with 126 additions and 0 deletions
--- a/python/isogram/isogram.py
+++ b/python/isogram/isogram.py
@ -0,0 +1,14 @@
+def is_isogram(string):
+
+    seen_chars = set()
+
+    for ch in string.lower():
+        if not ch.isalpha():
+            continue
+
+        if ch in seen_chars:
+            return False
+
+        seen_chars.add(ch)
+
+    return True