diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a0090b4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# macOS
+.DS_Store
diff --git a/solutions/001/multiplesof3or5.py b/solutions/001/multiplesof3or5.py
new file mode 100644
index 0000000..73a3e8d
--- /dev/null
+++ b/solutions/001/multiplesof3or5.py
@@ -0,0 +1,7 @@
+sum = 0
+
+for i in range(1000):
+    if (i % 3) == 0 or (i % 5) == 0:
+        sum += i
+
+print("The sum of all the multiples of 3 or 5 below 1000 is: %d" % (sum))
\ No newline at end of file