Question: What Is If And If Else Statement?

What is the difference between if and if else statement?

if vs if else The if statement is a decision-making structure that consists of an expression followed by one or more statements.

The if else is a decision-making structure in which the if statement can be followed by an optional else statement that executes when the expression is false..

What is if else statement in Python?

An else statement contains the block of code that executes if the conditional expression in the if statement resolves to 0 or a FALSE value. … The else statement is an optional statement and there could be at most only one else statement following if.

What is the purpose of if else statement?

The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript’s “Conditional” Statements, which are used to perform different actions based on different conditions.

What does == mean in Python?

comparison operator== is a comparison operator: returns True is the two items are equal, returns False if not, throws error if used to assign variable before definition and if the two items are not compatible. = is an assignment operator: will assign values like strings or numbers to variables.

What are the 3 arguments of the IF function?

There are 3 parts (arguments) to the IF function:TEST something, such as the value in a cell.Specify what should happen if the test result is TRUE.Specify what should happen if the test result is FALSE.

How do you write a nested IF statement?

The IF function in Excel can be nested, when you have multiple conditions to meet. The FALSE value is being replaced by another IF function to make a further test. 1. For example, take a look at the nested IF formula in cell C2 below.

How do you avoid nested if statements?

Nested IFs are powerful, but they become complicated quickly as you add more levels. One way to avoid more levels is to use IF in combination with the AND and OR functions. These functions return a simple TRUE/FALSE result that works perfectly inside IF, so you can use them to extend the logic of a single IF.

What is if else statement in C?

The if-else statement in C is used to perform the operations based on some specific condition. The operations specified in if block are executed if and only if the given condition is true.

What is a nested IF statement?

A Nested IF statement is defined as an Excel formula with multiple IF conditions. It’s called “nested” because you’re basically putting an IF Statement inside another IF Statement and possibly repeating that process multiple times.

What are the 2 types of iteration?

There are two types of iteration: Count-controlled loops – used for iterating steps a specific number of times. It is used when the number of iterations to take place is already known.

What kind of statement is if statement?

An if statement is a programming conditional statement that, if proved true, performs a function or displays information. Below is a general example of an if statement, not specific to any particular programming language.

Can you have two if statements in python?

Yes, Python allows us to nest if statements within if statements. i.e, we can place an if statement inside another if statement. Here, a user can decide among multiple options. The if statements are executed from the top down.

How many Elif statements can I use?

Answer. No, there is no strict limit to how many elif statements you can include after an if statement. You can add as many as you need into the program, not taking into account memory or other possible limitations like hardware.