python 中的元组解包问题

Question

I want the location to appear when I ask for results. Why can't I display the employee of the month's location?

Code:

work_hours = [("Jao", "Ville", 800), ("Billy", "Jackson St", 400), ("Kevin", "Westside", 500)]

def employee_check(work_hours):
    
    current_max = 0
    employee_of_month = ""
    
    for employee, location, hours in work_hours:
        if hours > current_max:
            current_max = hours
            employee_of_month = employee
        else:
            pass
    
    # return the statement
    return (employee_of_month, location, current_max)

result = employee_check(work_hours)
print(result)

Answer 1

current_max = 0
employee_of_month = ''
employee_of_month_location = ''

for employee,location,hours in work_hours:
    if hours > current_max:
        current_max = hours
        employee_of_month = employee
        employee_of_month_location = location
    else:
        pass

return (employee_of_month, employee_of_month_location, current_max)

Answer 2

In this case more convenient is using built-in function max , not reinventing its functionality:

max(work_hours, key=lambda x: x[2])

Since your list consists of items with the same structure and you want to get only the tuple where the third element (the working hours) is maximum, you can use the key argument of the max function. You can pass a function there, in this case an anonymous lambda function. It changes the behavior of the max function, ie changing where exactly to look at the maximum value (here: the third position of each element in work_hours) .

This reduces your code a lot as you can see how to use it:

work_hours = [("Jao", "Ville", 800), ("Billy", "Jackson St", 400), ("Kevin", "Westside", 500)]
result = max(work_hours, key=lambda x: x[2])

Answer 3

def employee_check(work_hours): current_max = 0 employee_of_month = '' employee_of_month_location = '' for employee,location,hours in work_hours: if hours > current_max: current_max = hours employee_of_month = employee employee_of_month_location = location else: pass return employee_of_month, employee_of_month_location, current_max