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------------------------------------------------ In a round of Bingo, every player receives a 5x5 grid of spaces. Each space has a number, and the columns are labeled with the letters B, I, N, G, O. The game host calls out spaces by their letter and number, such as B 13, O 74, etc. Numbers are not randomly distributed.

- Numbers in the B column are between 1 and 15.
- Numbers in the I column are between 16 and 30.
- Numbers in the N column are between 31 and 45.
- Numbers in the G column are between 46 and 60.
- Numbers in the O column are between 61 and 75.

Certain letter-number combinations are invalid:
- B17 is invalid because the B column only includes numbers 1 through 15.
- J63 is invalid because J is not a letter used in Bingo.
- O117 is invalid because 117 is not a valid Bingo number.

Write a function called `bingo_checker`. This function should take two parameters, both strings representing a letter and a number. The function should return `True` if the letter-number combination represents a valid spot on a Bingo card, and `False` otherwise.

Use Python for this task.

Answer :

Final answer:

The bingo_checker function in Python can be defined to check whether a given letter-number combination is a valid spot on a Bingo card. The function takes two parameters, both strings representing a letter and a number. The function will return True if the combination is valid and False otherwise.

Explanation:

The bingo_checker function in Python can be defined to check whether a given letter-number combination is a valid spot on a Bingo card. The function takes two parameters, both strings representing a letter and a number. The function will return True if the combination is valid and False otherwise.

In order to determine the validity of the combination, the function can check if the letter is one of the valid letters on a Bingo card, and if the number falls within the range of numbers associated with that letter. For example, if the letter is 'B' and the number is 8, the combination would be considered valid. However, if the letter is 'N' and the number is 50, the combination would be considered invalid.

Here is an example implementation of the bingo_checker function:

def bingo_checker(letter, number):
valid_letters = ['B', 'I', 'N', 'G', 'O']
letter_index = valid_letters.index(letter)
number = int(number)
if letter_index == 0 and 1 <= number <= 15:
return True
elif letter_index == 1 and 16 <= number <= 30:
return True
elif letter_index == 2 and 31 <= number <= 45:
return True
elif letter_index == 3 and 46 <= number <= 60:
return True
elif letter_index == 4 and 61 <= number <= 75:
return True
else:
return False

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