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In computer programming, we use the if statement to run a block of code only when a specific condition is met. In this tutorial, we will learn about Python if...else statements with the help of examples.
5 mar 2013 · def function(a): if a == '1': print ('1a') else if a == '2' print ('2a') else print ('3a') Should be corrected to: def function(a): if a == '1': print('1a') elif a == '2': print('2a') else: print('3a')
There is also syntax for branching execution based on several alternatives. For this, use one or more elif (short for else if) clauses. Python evaluates each <expr> in turn and executes the suite corresponding to the first that is true. If none of the expressions are true, and an else clause is specified, then its suite is executed:
20 cze 2024 · Python If Else Statement. The if statement alone tells us that if a condition is true it will execute a block of statements and if the condition is false it won’t. But if we want to do something else if the condition is false, we can use the else statement with the if statement Python to execute a block of code when the Python if condition is ...
The else statement executes if the condition in the if statement evaluates to False. Syntax. if condition: # body of if statement else: # body of else statement. Here, if the condition inside the if statement evaluates to. True - the body of if executes, and the body of else is skipped.
7 mar 2023 · How to Use the else Statement in Python. The else statement allows you to execute a different block of code if the if condition is False. Here's the basic syntax: if condition: # code to execute if condition is true else: # code to execute if condition is false
With Python’s if/else statement we evaluate a Boolean true/false condition. When True , code in the if block executes. When the condition tests False , the else code runs.
