Challenge

Online status

The aim of this challenge is, given a dictionary of people's online status, to count the number of people who are online.

For example, consider the following dictionary:

statuses = {
    "Alice": "online",
    "Bob": "offline",
    "Eve": "online",
}

In this case, the number of people online is 2.

Write a function named online_count that takes one parameter. The parameter is a dictionary that maps from strings of names to the string "online" or "offline", as seen above.

Your function should return the number of people who are online.

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