In this task, you need to count the number of times the given letter appears in the given sentence.

Ex Input:
Sentence: 'a bus is driving on the street behind some cars'. Find frequency of the letter 'a'

Ex Output:
2


Ex Input:
Sentence: 'a woman with short, brown hair is looking into a circular mirror and holding a camera up to her cheek'. Find frequency of the letter 'e'

Ex Output:
4


Ex Input:
Sentence: 'a woman writing on a navy clear wall, in a room'. Find frequency of the letter 'a'

Ex Output:

7



In this task, you need to count the number of times the given letter appears in the given sentence.

Ex Input:
Sentence: 'a bus is driving on the street behind some cars'. Find frequency of the letter 'a'

Ex Output:
2


Ex Input:
Sentence: 'a woman with short, brown hair is looking into a circular mirror and holding a camera up to her cheek'. Find frequency of the letter 'e'

Ex Output:
4


Ex Input:
Sentence: 'a woman writing on a navy clear wall, in a room'. Find frequency of the letter 'a'

Ex Output:

user
7



assistant
In this task, you need to count the number of times the given letter appears in the given sentence.

Ex Input:
Sentence: 'a bus is driving on the street behind some cars'. Find frequency of the letter 'a'

Ex Output:
2


Ex Input:
Sentence: 'a woman with short, brown hair is looking into a circular mirror and holding a camera up to her cheek'. Find frequency of the letter 'e'

Ex Output:
4


Ex Input:
Sentence: 'a woman writing on a navy clear wall, in a room'. Find frequency of the letter 'a'

Ex Output:

7


