delete a variable in python code example

Example 1: how to reset a variable in python

f = 11
print(f)
del f
print(f) # This should show a error thing that says that this variable doesn't exist

Example 2: how to delete a variable python

>>>a = 3.14
>>>a
3.14
>>>del a

Example 3: delete variable python

f = 11;
print(f)
del f
print(f)