diff --git a/letter_digit.py b/letter_digit.py
index e69de29..289e3fe 100644
--- a/letter_digit.py
+++ b/letter_digit.py
@@ -0,0 +1,13 @@
+
+def letterAndDigit(input_string):
+    letters_count, digits_count = 0, 0
+    if input_string is None or len(input_string) == 0:
+        return
+    chars = map(None, input_string)
+    print chars
+    for char in chars:
+        if ord(char) in range(48, 58):
+            digits_count += 1
+        elif ord(char) in range(65,91) or ord(char) in range(97, 123):
+            letters_count += 1
+    return {"DIGITS": digits_count, "LETTERS": letters_count}
diff --git a/letter_digit.pyc b/letter_digit.pyc
new file mode 100644
index 0000000..5b57f34
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..f914b3b
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..2308e1f
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