Made it executable.

Author: oubiwann

simple-line.py

@@ -1,6 +1,10 @@
+#! /usr/bin/env python3.4
 import matplotlib.pyplot as plt
 
+def main ():
+    plt.plot([1,2,3,4])
+    plt.ylabel('some numbers')
+    plt.savefig("simple-line.png")
 
-plt.plot([1,2,3,4])
-plt.ylabel('some numbers')
-plt.savefig("simple-line.png")
+if __name__ == "__main__":
+    main()