Question

Can someone help me with the following problems please!

6. Write a function that accepts a text file’s name and returns a. The number of uppercase letters in the file b. The number of lowercase letters in the file c. The number of digits in the file d. The number of whitespace characters in the file .

Answer 1

def file_stats(filename):
    upper, lower, digits, whitespace = 0, 0, 0, 0
    try:
        with open(filename, 'r') as f:
            data = f.read()
            for ch in data:
                if ch.islower():
                    lower += 1
                elif ch.isupper():
                    upper += 1
                elif ch.isdigit():
                    digits += 1
                elif ch.isspace():
                    whitespace += 1
    except FileNotFoundError:
        print(filename + " is not found!")
    return upper, lower, digits, whitespace


print(file_stats('input.txt'))

Answer 2

Here’s a Python function that fulfills the requested task:

python

Copy code

def analyze_file(filename):

    # Initialize counters for uppercase, lowercase, digits, and whitespaces

    uppercase_count = 0

    lowercase_count = 0

    digit_count = 0

    whitespace_count = 0

    # Open the file and read it line by line

    try:

        with open(filename, 'r') as file:

            for line in file:

                for char in line:

                    if char.isupper():

                        uppercase_count += 1

                    elif char.islower():

                        lowercase_count += 1

                    elif char.isdigit():

                        digit_count += 1

                    elif char.isspace():

                        whitespace_count += 1

        # Return the counts as a tuple

        return uppercase_count, lowercase_count, digit_count, whitespace_count

    except FileNotFoundError:

        print(f"The file {filename} was not found.")

        return None

Explanation:

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This function reads the given text file line by line and analyzes each character.

It uses Python’s built-in methods (.isupper(), .islower(), .isdigit(), .isspace()) to count the uppercase letters, lowercase letters, digits, and whitespace characters, respectively.

If the file is not found, it catches the FileNotFoundError and notifies the user.

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