def get$\_$names$\_$from$\_$initials$($contacts$,$ first$\_$initial, last$\_$initial$)$: def get$\_$all$\_$names$\_$by$\_$class$\_$year$($contacts$,$ class$\_$year$)$:

$"|"!$

Given a class year, return a list of names of people who are in the given class year.

Doctests:... $[\text{'}$Ebbi Ebssa', $\text{'}703-555-5555\text{'},\text{'}09-25\text{'},2025],$

$...[\text{'}$Javo Arifov', $\text{'}615-555-5555\text{'},\text{'}10-28\text{'},2025],$

$...[\text{'}$John Doe', $\text{'}123-555-1234\text{'},\text{'}01-15\text{'},2024],$

$...[\text{'}$Mary Johnson', $\text{'}789-555-8765\text{'},\text{'}01-30\text{'},2024],$

$...[\text{'}$Michael Johnson', $\text{'}321-555-4321\text{'},\text{'}03-05\text{'},2023],$

$...][\text{'}$John Doe', 'Mary Johnson'$][\text{'}$Michael Johnson'$][\text{'}$Ebbi Ebssa', 'Javo Arifov'$]$

$"!"!$

result $=[]$

return result

def get$\_$all$\_$names$\_$by$\_$birth$\_$month$($contacts$,$ month$)$:

$"!"$

Given a month in $"$mm$"$ format, return a list of names of people who were born in that month.

Doctests:... $[\text{'}$Ebbi Ebssa', $\text{'}703-555-5555\text{'},\text{'}09-25\text{'},2025],$

$...[\text{'}$Javo Arifov', $\text{'}615-555-5555\text{'},\text{'}10-28\text{'},2025],$

$...[\text{'}$John Doe', $\text{'}123-555-1234\text{'},\text{'}01-15\text{'},2024],$

$...[\text{'}$Mary Johnson', $\text{'}789-555-8765\text{'},\text{'}01-30\text{'},2024],$

$...[\text{'}$Michael Johnson', $\text{'}321-555-4321\text{'},\text{'}03-05\text{'},2023],$

$..][\text{'}$John Doe', 'Mary Johnson'$][]$

$"!"$

result $=[]$

$"\backslash$primeI$"$

Given the first and last initials, return a list of names where the contact's first and last name start with the given initials.

Doctests:... $[\text{'}$Ebbi Ebssa', $\text{'}703-555-5555\text{'},\text{'}09-25\text{'},2025],$

$...[\text{'}$Javo Arifov', $\text{'}615-555-5555\text{'},\text{'}10-28\text{'},2025],$

$...[\text{'}$John Doe', $\text{'}123-555-1234\text{'},\text{'}01-15\text{'},2024],$

$...[\text{'}$Mary Johnson', $\text{'}789-555-8765\text{'},\text{'}01-30\text{'},2024],$

$...[\text{'}$Michael Johnson', $\text{'}321-555-4321\text{'},\text{'}03-05\text{'},2023],$

$..][\text{'}$John Doe'$][\text{'}$Mary Johnson', 'Michael Johnson'$][]$

$""$

result $=[]$

return result