This is the 14917th most frequent Russian word.
подготовило
"Prepared" (past tense, neuter singular).
Here, 'подготовило' refers to the action of preparing something (the new bill) by the government.
Правительство подготовило новый законопроект.
The government prepared a new bill.
In this sentence, 'подготовило' is used to describe the process of the university organizing or facilitating the readiness of students for an exam.
Университет подготовило студентов к экзамену.
The university prepared students for the exam.
The verb 'подготовило' here signifies the publishing house putting effort into designing and producing a special edition of the book.