Surjection Strings Surjection Strings
Simple
RU English

Maybe it's a cipher? Maybe, but we don’t know for sure.

Maybe you can call it "homomorphism" ? I wish I knew this word before.

You need to check that the String A is isometric to the String B. There exists a function that turns characters from String A into characters in the same spot in String B.

Characters in String A correspond to a unique character value in String B. Characters in String B are allowed to correspond to multiple character values in String A.

Input: Two arguments. String A and String B.

Output: Boolean.

Example:

isometric_strings('add', 'egg') == True
isometric_strings('foo', 'bar') == False
isometric_strings('', '') == True
isometric_strings('all', 'all') == True
isometric_strings('gogopy', 'doodle') == False

Precondition:
both strings are the same length

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