dict.py

def main():
    players = {'Soto':.284,
               'Judge':.282,
               'Sanchez':.225,
               'Trout':.301,
               'Arraez':.354
    }

    while True:
        print('=======================')
        print('1 = Search Database')
        print('2 = Add Player Data')
        print('3 = Find MVP')
        print('4 = Quit')
        action = int(input('Choose action: '))

        if action == 1:
            search(players)
        elif action == 2:
            addPlayer(players)
        elif action == 3:
            mvpAvg, mvpName = findMVP(players)
            print(f'{mvpName} is the MVP with an average of {mvpAvg}')
        else:
            break

def findMVP(pd):
    maxAvg = 0
    mvp = 'Bugs Bunny'
    for player in pd:
        if pd[player] > maxAvg:
            maxAvg = pd[player]
            mvp = player
    return maxAvg,mvp


def addPlayer(pd):
    name = input('Player name: ')
    avg = float(input('Avg: '))
    pd[name] = avg
    #pd.update({name:avg})

def search(pd):
    player = input('Whose average do you want to look up? ' )

    if player == 'all':
        for p in pd:
            print(f'{p} batted {pd[p]}')
    else:
        try:
            print(pd[player])
        except:
            print(f'Player {player} not found')

main()