8_fn

# simple fun:

def department(dep):
    return 'department: ' + dep
print(department('cse'))
print(department('eee'))
print(department('civil'))


# example

id = [60, 59, 58, 57]

def depart(dep):
    return dep == 'cse' or dep == 'eee' or dep == 'civil' or dep == 'geb'

def check_dep(dep):
    if depart(dep):
        print(dep)
    else:
        print('invalid')
check_dep('cse')
print('\n\n\n')

def check_dep_by_id(code):
    index = id.index(code)
    if id[index] == 60:
        print('cse')
    elif id[index] == 59:
        print('eee')
    elif id[index] == 58:
        print('civil')
    elif id[index] == 57:
        print('geb')
    else:
        print('invalid')
check_dep_by_id(59)