Merge pull request #34 from Cito/fix_parens

Add missing right parenthesis

Author: ntoll

en/tutorials/1.0/plotter.md

@@ -56,7 +56,7 @@ import random
 while True:
     # Just keep emitting three random numbers in a Python tuple.
     time.sleep(0.05)
-    print((random.randint(0, 100), random.randint(-100, 0), random.randint(-50, 50))
+    print((random.randint(0, 100), random.randint(-100, 0), random.randint(-50, 50)))
 ```
 
 To be clear, the following is **good data**: