Merge pull request #101 from lironmiz/unit7-Ex7.2.3

Create unit7_ex7.2.3.py

Author: lironmiz

unit7_ex7.2.3.py

@@ -0,0 +1,17 @@
+# exercise 7.2.3 from unit 7
+'''
+Here is a piece of code, but it is missing the arguments that are passed to the range function:
+
+for num in range(___, ___, ___):
+    print(number)
+Mark all the options where the values (start, stop, step) will give the following output:
+
+0
+-3
+-6
+-9
+'''
+
+# Answer: 
+# C: (0, -10, -3)
+# D: (0, -12, -3)