Quick Answer: What Is The Purpose Of Else Statement?

Can we write if statement without else?

An if statement looks at any and every thing in the parentheses and if true, executes block of code that follows.

If you require code to run only when the statement returns true (and do nothing else if false) then an else statement is not needed..

Can you use else with while?

While loop with else. Same as with for loops, while loops can also have an optional else block. The else part is executed if the condition in the while loop evaluates to False . The while loop can be terminated with a break statement.

Is an else statement necessary?

The else is an optional part. During the program execution, the statements written inside the if block will only be executed when the condition mentioned is true. Otherwise, if the condition is false, the next consecutive lines after the if block will be executed. … //Statement; //Here semicolon at the end is necessary.

What is the purpose of ELSE clause?

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.

Can if else if without else?

In your case, whether you need an else clause depends on whether you want specific code to run if and only if neither of condition1 , condition2 , and condition3 are true. else can be omitted for any if statement, there is nothing special in the last if of an if / else if chain.

What is if and if else statement?

if statement – executes some code if one condition is true. if…else statement – executes some code if a condition is true and another code if that condition is false. if… elseif…else statement – executes different codes for more than two conditions.

What is the use of IF ELSE statement explain with example?

Syntax of if else statement: If condition returns true then the statements inside the body of “if” are executed and the statements inside body of “else” are skipped. If condition returns false then the statements inside the body of “if” are skipped and the statements in “else” are executed.

How many else if can you have?

Answer 514a8bea4a9e0e2522000cf1. You can use multiple else if but each of them must have opening and closing curly braces {} . You can replace if with switch statement which is simpler but only for comparing same variable.

Can you use Elif without else?

The if statements can be written without else or elif statements, But else and elif can’t be used without else.

Can we use else without if in python?

In most of the programming languages (C/C++, Java, etc), the use of else statement has been restricted with the if conditional statements. But Python also allows us to use the else condition with for loops. The else block just after for/while is executed only when the loop is NOT terminated by a break statement.