null: The result of logical expressions
Instructions
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Your exercise will be checked with these tests:
import index
def test1():
assert index.string_or_not("Hexlet") == "yes"
assert index.string_or_not(10) == "no"
assert index.string_or_not("") == "yes"
assert index.string_or_not(False) == "no"
assert index.string_or_not(True) == "no"Teacher's solution will be available in:
20:00
