Inverting a binary string with check on python

Question

Im trying to figure out how to check if the input consists of only "0" and "1". Been stuck on this for abit now, im quite new to python. I got the inverse part down, just need help with the check. Thanks!

https://stackoverflow.com/questions/1323364/in-python-how-to-check-if-a-string-only-contains-certain-characters — Ryan Baker, Jan 13 '22 at 04:15

score -1 · Accepted Answer · answered Jan 13 '22 at 04:38

You can cast it to set() and check if it only contains "0" and "1"

value = "001001"
binary = set(value) <= {"0", "1"}

print(binary)

Result:

True

Trying with different values from "0" and "1":

value = "hello"
binary = set(value) <= {"0", "1"}

print(binary)

Result:

False

Inverting a binary string with check on python

1 Answers1