Added outputs for examples (#20171)

guide/english/python/for-loop-statements/index.md

@@ -22,6 +22,14 @@ list_of_tuples = [(1,2), (3,4)]
 for a, b in list_of_tuples:
   print("a:", a, "b:", b)
 ```
+Output:
+
+```python
+a: 1 b: 2
+a: 3 b: 4
+```
+
+
 On the other hand, you can loop over anything that is iterable. You can call a function or use a list literal.
 
 ```python
@@ -34,6 +42,17 @@ for character in ["P", "y", "t", "h", "o", "n"]:
   print("Give me a '{}'!".format(character))
 ```
 
+Output:
+
+```python
+Give me a 'P'!
+Give me a 'y'!
+Give me a 't'!
+Give me a 'h'!
+Give me a 'o'!
+Give me a 'n'!
+```
+
 Some ways in which For loops are used: 
 
 **Iterate over the range() function**
@@ -44,6 +63,7 @@ for i in range(10):
 ```
 Rather than being a function, range is actually an immutable sequence type.
 The output will contain results from lower bound i.e 0 to the upper bound i.e 10 but excluding 10.By default the lower bound or the starting index is set to zero.
+
 Output:
 
 ```