4 Methods To Check Whether A String Is Empty In Python Askpython Using and operator strip () function to check if string is empty string in python. sometimes, we see that the whitespaces present in the string are not treated as empty strings. so, when we check for the empty string, we can also check for the whitespaces through the strip () function. Op wants to know if the variable is an empty string, but you would also enter the if not mystring: block if mystring were none, 0, false etc. so if you aren't sure what type mystring is, you should use if mystring == "": to determine if it is an empty string as opposed to some other falsy value.
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