Python have few reserved keywords, which cannot be used as variable names and have specific function or meaing. What that means is that one cannot use a reserved keywords as variable name as shown below.
is = 10
File "<ipython-input-6-cc34fec5d1d4>", line 1
is = 10
^
SyntaxError: invalid syntax
NOTE: Trying to use one will always result in
SyntaxErroras shown above.
List of reserved keywords is as follows. We will be covering most of them in later sections, thus are not covering them here and instead just listing them.
| and | as | assert | break | class |
| continue | def | del | elif | else |
| except | False | finally | for | from |
| global | if | import | in | is |
| lambda | None | nonlocal | not | or |
| pass | raise | return | True | try |
| while | with | yield |