Meaning of the word "a fair exchange is no robbery" in English

What does "a fair exchange is no robbery" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a fair exchange is no robbery

US /ə fɛr ɪksˈtʃeɪndʒ ɪz noʊ ˈrɑːbəri/
UK /ə feə ɪksˈtʃeɪndʒ ɪz nəʊ ˈrɒbəri/
"a fair exchange is no robbery" picture

Idiom

a proverb meaning that if both parties agree to a trade or swap, neither can complain of being cheated

Example:
I'll give you my sandwich for your apple; a fair exchange is no robbery.
They swapped cars for the weekend, agreeing that a fair exchange is no robbery.