Can you explain line continuation in Python using different methods?

Line Continuation with Backslash

In Python, there are instances where a line of code exceeds the standard limit. To address this, the backslash () can be used at the end of a line to indicate line continuation.

Example:

Consider the following module import statement in Python:

from sqlalchemy.ext.declarative import declarative_base,\
      AbstractConcreteBase

The backslash at the end of the first line signifies line continuation. This allows the long line to be split into two without affecting its functionality. An equivalent syntax would be:

from sqlalchemy.ext.declarative import declarative_base, AbstractConcreteBase

Parentheses Alternative:

Another method for line continuation is to use parentheses:

from sqlalchemy.ext.declarative import (declarative_base,
      AbstractConcreteBase)

Syntax Error:

In contrast to the backslash and parentheses techniques, the following syntax will result in a syntax error:

from sqlalchemy.ext.declarative import declarative_base,
      AbstractConcreteBase

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