1 files changed, 9 insertions, 0 deletions
diff --git a/progs/a643.py b/progs/a643.py
new file mode 100644
index 0000000..f1d5b59
--- /dev/null
+++ b/progs/a643.py
@@ -0,0 +1,9 @@
+def sequential_search(dlist, item):
+    pos = 0
+    found = False
+    while pos < len(dlist) and not found:
+        if dlist[pos] == item:
+            found = True
+        else:
+            pos = pos + 1
+    return found, pos
+\ No newline at end of file