diff --git a/practice1.py b/practice1.py
new file mode 100644
index 0000000..6a54051
--- /dev/null
+++ b/practice1.py
@@ -0,0 +1,5 @@
+def sum_digits(digit):
+...     return sum(int(x) for x in digit if x.isdigit())
+... 
+>>> sum_digits('2018a7ps0202g')
+