Count elements in a list only if they are following each other and are similar

[cvsae]

try this

fruits=['mango','orange','apple','lemon','apple','apple','apple','banana','avocado','apple','mango','pineapple','orange','apple']



def countFruit(fruit):
    for x in range(0, len(fruits) -1):
        prevFruit = None
        if x > 0: prevFruit = fruits[x -1]

        thisFruit = fruits[x]
        nextFruit = fruits[x +1]

        if fruit == nextFruit and fruit == prevFruit:
            return fruits.count(fruit)

print (countFruit("apple"))