Transform the following passive voice sentence into active voice, and maintain the meaning of the sentence.
The package was delivered by the mail carrier.
The mail carrier delivered the package.
Complete the following task based on the instruction and optional input provided.### Instruction:
Transform the following passive voice sentence into active voice, and maintain the meaning of the sentence.

### Input:
The package was delivered by the mail carrier.

### Output:
The mail carrier delivered the package.