Python Programming - Console Input/Output

Exercise : Console Input/Output - General Questions

31.

How can you read a string from the console and reverse it?

reverse(input())

str.reverse(input())

input()[::-1]

reverse_string(input())

Answer: Option

Explanation:

To read a string from the console and reverse it in Python, use slicing with [::-1].

32.

How can you print the current date and time in a specific format?

print(datetime.now())

print(now.strftime("%Y-%m-%d %H:%M:%S"))

print("Current date and time:", datetime.now())

print(f"Current date and time: {now}")

Answer: Option

Explanation:

To print the current date and time in a specific format, use strftime("%Y-%m-%d %H:%M:%S") with the datetime object.

33.

How can you read multiple lines of text from the console until a specific keyword is entered?

read_lines_until_keyword("exit")

while True: line = input(); if line == "exit": break; print(line)

lines = input("Enter text (type 'exit' to stop): ")

read_text_with_keyword("exit")

Answer: Option

Explanation:

To read multiple lines of text until a specific keyword is entered, use a while loop with a conditional break.

34.

How can you print a table of values with aligned columns?

print_table(values)

for value in values: print(f"{value:<10}")

table_print(values)

print(f"{values:<10}")

Answer: Option

Explanation:

To print a table of values with aligned columns, use a loop and f-string formatting with alignment.

35.

How can you read a list of strings from the console until an empty line is entered?

read_strings_until_empty()

while True: line = input(); if not line: break; strings.append(line)

input_lines = input("Enter lines (empty line to stop): ")

read_lines_until_empty("exit")

Answer: Option

Explanation:

To read a list of strings until an empty line is entered, use a while loop with a conditional break.

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