diff --git a/LeapFrog_1.0.py b/LeapFrog_1.0.py
new file mode 100644
index 0000000..941b888
--- /dev/null
+++ b/LeapFrog_1.0.py
@@ -0,0 +1,18 @@
+from math import *
+import numpy as np
+
+def main():
+
+    #initialisation
+    x1 = np.array([0, 0, 0])
+    x2 = np.array([1, 0, 0])
+    x3 = np.array([1, 0, 0])
+
+    v1 = np.array([0, 0, 0])
+    v2 = np.array([1, 0, 0])
+    v3 = np.array([1, 0, 0])
+
+
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file