IO TYPE

 

Here are several Input/Output (I/O) type Python questions, designed in the one-function format, suitable for students of the IIT Madras BS in Data Science program. These emphasize reading from standard input or files and writing to standard output.

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🧠 1. Sum of Even Numbers

Function Name: sum_even_numbers()

Description:
Read a list of integers from input, and print the sum of all even numbers.

Input Format:

• One line of space-separated integers.

Output Format:

• A single integer: sum of even numbers.

python
def sum_even_numbers():
    # Your code here

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📂 2. Count Words from a File

Function Name: count_words(filename)

Description:
Given a text file path, read the contents and count the number of words in it.

Input:

• filename: a string representing the file path.

Output:

• Print the total word count.

python
def count_words(filename):
    # Your code here

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🔄 3. Filter by Threshold

Function Name: filter_above_threshold()

Description:
Read a list of numbers and a threshold value from input. Print only the numbers above the threshold.

Input Format:

• First line: space-separated numbers

• Second line: threshold value (float or int)

Output:

• Space-separated numbers above threshold.

python
def filter_above_threshold():
    # Your code here

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📊 4. CSV Column Average

Function Name: average_column(filename, column_name)

Description:
Read a CSV file and calculate the average of the values in the given column.

Input:

• filename: path to the CSV file

• column_name: name of the column

Output:

• Print the average of that column.

python
def average_column(filename, column_name):
    # Your code here

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🔢 5. Reverse Input Lines

Function Name: reverse_lines()

Description:
Read multiple lines from standard input until an empty line is encountered. Print the lines in reverse order.

Input Format:

• Several lines of text (empty line to stop)

Output Format:

• Same lines printed in reverse order.

python
def reverse_lines():
    # Your code here

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Would you like the solutions or test cases for these as well?

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MORE

ChatGPT said:

Sure! Here are more one-function I/O-type Python questions tailored for IIT Madras BS in Data Science students—simple but practical, reinforcing core Python skills:

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🧮 6. Matrix Sum

Function Name: matrix_sum()

Description:
Read a matrix of integers from standard input. Print the sum of all its elements.

Input Format:

• First line: two integers R and C (rows and columns)

• Next R lines: C space-separated integers

Output Format:

• A single integer: the matrix sum

    python

    def matrix_sum():
        # Your code here

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📈 7. Max Score by Student

Function Name: highest_score()

Description:
Each line contains a student name and score (e.g., "Ram 83"). Find and print the student with the highest score.

Input Format:

• Multiple lines of "Name Score" (until empty line)

Output Format:

• "Name Score" of top scorer

python
def highest_score():
    # Your code here

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🕵️ 8. Find Substring in File

Function Name: find_occurrences(filename, keyword)

Description:
Given a text file and a keyword, count how many times the keyword appears.

Input:

• filename: file path

• keyword: word to search

Output:

• Print number of occurrences

python
def find_occurrences(filename, keyword):
    # Your code here

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🔡 9. Count Vowels

Function Name: count_vowels()

Description:
Read a sentence from input and count the total number of vowels.

Input Format:

• A single line of text

Output Format:

• Number of vowels

python
def count_vowels():
    # Your code here

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🗃️ 10. Word Frequency

Function Name: word_frequency()

Description:
Read multiple lines of text from input. Print each unique word and its frequency.

Input Format:

• Multiple lines of text (end input with empty line)

Output Format:

• Each word with its frequency in any order

python
def word_frequency():
    # Your code here

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🧾 11. Line Length Checker

Function Name: check_line_lengths(filename)

Description:
Read a file and print all lines whose length exceeds 80 characters.

Input:

• filename: path to a text file

Output:

• Lines with length > 80

python
def check_line_lengths(filename):
    # Your code here

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🔢 12. Extract Numbers from Text

Function Name: extract_numbers()

Description:
Read a line of text and print all numbers found in it.

Input Format:

• A single line containing text and numbers

Output Format:

• All numbers (space-separated)

python
def extract_numbers():
    # Your code here


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