diff --git a/letter_digit.py b/letter_digit.py
index e69de29..e3a1af4 100644
--- a/letter_digit.py
+++ b/letter_digit.py
@@ -0,0 +1,4 @@
+def letterAndDigit(n):
+    numbers = sum(c.isdigit() for c in n)
+    letters = sum(c.isalpha() for c in n)
+    return {'DIGITS':numbers, 'LETTERS':letters  }
diff --git a/letter_digit.pyc b/letter_digit.pyc
new file mode 100644
index 0000000..15e2cab
Binary files /dev/null and b/letter_digit.pyc differ
diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..05a859d
Binary files /dev/null and b/tests/__init__.pyc differ
diff --git a/tests/test_letterAndDigit.pyc b/tests/test_letterAndDigit.pyc
new file mode 100644
index 0000000..7cd2ab1
Binary files /dev/null and b/tests/test_letterAndDigit.pyc differ