How do you get the logical xor of two variables in Python?

0 votes

How do you get the logical xor of two variables in Python?

For example, I have two variables that I expect to be strings. I want to test that only one of them contains a True value (is not None or the empty string):

str1 = raw_input("Enter string one:")
str2 = raw_input("Enter string two:")
if logical_xor(str1, str2):
    print "ok"
else:
    print "bad"

The ^ operator seems to be bitwise, and not defined on all objects:

>>> 1 ^ 1
0
>>> 2 ^ 1
3
>>> "abc" ^ ""
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: unsupported operand type(s) for ^: 'str' and 'str'
May 29, 2018 in Python by charlie_brown
• 7,710 points
1,772 views

1 answer to this question.

0 votes

If you're already normalizing the inputs to booleans, then != is xor.

bool(a) != bool(b)
answered May 29, 2018 by ariaholic
• 7,320 points

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