diff --git a/letter_digit.py b/letter_digit.py
index e69de29..8993504 100644
--- a/letter_digit.py
+++ b/letter_digit.py
@@ -0,0 +1,15 @@
+s ='world! 234'
+def letterAndDigit(s):
+    a = dict()
+    l=0
+    d=0
+    for c in s:
+        if c.isdigit():
+            d=d+1
+        elif c.isalpha():
+            l=l+1
+    a['DIGITS'] = d
+    a['LETTERS'] = l
+    return a
+
+print letterAndDigit(s)
diff --git a/letter_digit.pyc b/letter_digit.pyc
new file mode 100644
index 0000000..41c6e08
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..7677a65
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..046b525
Binary files /dev/null and b/tests/test_letterAndDigit.pyc differ