diff options
Diffstat (limited to 'python/055-lychrel_numbers.py')
| -rw-r--r-- | python/055-lychrel_numbers.py | 19 |
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) |
