Python Programming - Console Input/Output

Exercise : Console Input/Output - General Questions

51.

How can you print a countdown from 5 to 1?

countdown(5, 1)

for num in reversed(range(1, 6)): print(num)

print_countdown(5)

print(5, 4, 3, 2, 1)

Answer: Option

Explanation:

To print a countdown from 5 to 1, use a loop with reversed(range(1, 6)).

52.

How can you read a string from the console and check if it contains the substring "python"?

contains_python(input())

check_substring(input(), "python")

input().has_substring("python")

print("Python" in input())

Answer: Option

Explanation:

To read a string from the console and check if it contains the substring "python", use the in keyword.

53.

How can you print the sum of even numbers from 1 to 10?

print(sum(range(2, 11, 2)))

even_sum(1, 10)

print(even_numbers_sum(1, 10))

sum_even(range(1, 11))

Answer: Option

Explanation:

To print the sum of even numbers from 1 to 10, use sum(range(2, 11, 2)).

54.

How can you prompt the user to enter a floating-point number and round it to the nearest integer?

float(input("Enter a number: ")).round()

round(float(input("Enter a number: ")))

int(input("Enter a number: "))

round_int(input("Enter a number: "))

Answer: Option

Explanation:

To prompt the user to enter a floating-point number and round it to the nearest integer, use round(float(input("Enter a number: "))).

55.

How can you read a line of text from the console, remove leading and trailing whitespaces, and convert it to uppercase?

text = input().trim().upper()

text = input().strip().uppercase()

text = input().strip().upper()

text = input().trim().uppercase()

Answer: Option

Explanation:

To read a line of text from the console, remove leading and trailing whitespaces, and convert it to uppercase, use input().strip().upper().

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