rename all file with 3 zero padding

1 files changed, 19 insertions, 0 deletions

diff --git a/python/055-lychrel_numbers.py b/python/055-lychrel_numbers.py
new file mode 100644
index 0000000..efdf31d
--- /dev/null
+++ b/python/055-lychrel_numbers.py
@@ -0,0 +1,19 @@
+from helper.palindrome import is_palindrome
+
+
+def reverse_and_add(num):
+    return num + int(str(num)[::-1])
+
+def is_lychrel_number(num):
+    for _ in range(50):
+        num = reverse_and_add(num)
+        if is_palindrome(num):
+            return False
+    return True
+
+counter = 0
+for i in range(10_000):
+    if is_lychrel_number(i):
+        counter += 1
+
+print(counter)