i = 42
The equal sign in the above statement shouldn't be mistaken for a mathematical equal sign.
The equal sign means: the value 42 will be assigned to the variable i, i.e. after the assignment the variable will have the value 42
>>> i = 42
>>> i = i + 1
>>> print(i)
43
>>>
>>> οχι_καλα = """Possible, but not a good idea!"""
>>> print(οχι_καλα)
Possible, but not a good idea!