Checking String Anagrams | Dataford Interview Questions

Flyways may compare normalized text labels, such as route or operational messages, where two strings are equivalent if they contain the same characters with the same frequencies. Implement a function that determines whether two strings are anagrams.

Two strings are anagrams when one can be rearranged to produce the other. Treat characters as case-sensitive, and count spaces and punctuation as ordinary characters. The strings must have equal length and identical character multiplicities.

Formal Specification

Implement is_anagram(s, t), where s and t are strings. Return True if they are anagrams and False otherwise. The function must not modify either input string.

Constraints

0 <= len(s), len(t) <= 10^5
Inputs contain printable ASCII characters
Comparison is case-sensitive
Spaces and punctuation are counted as characters

Function Signature

def is_anagram(s, t):

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