is it necessary to put the closing quotation (""") marks in docstring in the next line of the code?

Question

means ...is this format correct?
def square_root ():
"""
function to find square root of a number"""
instead of :
def square_root ():
"""
function to find square root of a number
"""

Answer 1

Use the second one, it's more readable that way.

Answer 2

both are right but tgr second one adds an extra line