What is the purpose of the if statement in Python?a.To iterate over a sequence of itemsb.To handle exceptionsc.To define functionsd.To check for conditional statements

The purpose of the if statement in Python is d. To check for conditional statements.

Here's a step by step explanation:

1. The if statement is used in Python for decision making. It allows the program to evaluate if a certain condition is satisfied and to perform a designed action based on the result of the evaluation.

2. The condition to be evaluated is written after the 'if' keyword and a colon. The action to be performed if the condition is satisfied is written in the next line with an indentation.

3. If the condition is true, the indented statement gets executed. If the condition is not true, the indented statement is skipped.

4. For example:

x = 10
if x > 5:
    print("x is greater than 5")

In this example, since x is indeed greater than 5, the print statement will be executed and "x is greater than 5" will be printed.

5. If statements can also be combined with else and elif (else if) statements to create more complex decision-making structures.