Python Programming - Conditional Statements

Exercise : Conditional Statements - General Questions

31.

What will be the output of the following code?

num = 0
if num:
    print("Non-zero")
else:
    print("Zero")

Non-zero

Zero

Error

No output

Answer: Option

Explanation:

The condition if num checks if num is truthy. Since num is 0, which is falsy, the code inside the else block is executed, printing "Zero."

32.

Which of the following is the correct way to handle multiple exceptions in a try-except block?

try:
    # code block
except Exception1:
    # handle Exception1
except Exception2:
    # handle Exception2

try:
    # code block
except Exception1, Exception2:
    # handle exceptions

try:
    # code block
except (Exception1, Exception2):
    # handle exceptions

try:
    # code block
catch Exception1:
    # handle Exception1
catch Exception2:
    # handle Exception2

Answer: Option

Explanation:

The correct syntax is to use a tuple in the except clause to handle multiple exceptions.

33.

How can you check if a key exists in a dictionary?

Using if key in dict

Using if exists(dict[key])

Using if contains(dict, key)

Using if key: dict

Answer: Option

Explanation:

The in keyword is used to check if a key exists in a dictionary in Python.

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