if statement in python - PrivacyWall

https://steam.oxxostudio.tw/category/python/basic/if.html

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邏輯判斷 ( if、elif、else ) - Python 教學 - STEAM 教育學習網

然而在 Python 的世界裡，也提供了 if、else、elif 三種語法來處理大量的邏輯判斷運算和流程控制，這篇教學將會介紹這些邏輯判斷。快速導覽： if 判斷、 if、else 、 if、elif、else 、巢狀判斷、三元運算式. 本篇使用的 Python 版本為 3.7.12，所有範例可使用 Google Colab 實作，不用安裝任何軟體 ( 參考：使用 Google Colab ) 「if」判斷就如同字面的意思：「如果怎樣...就怎樣...」，使用方式為「if 條件:」，對應的程式需使用「縮排」，如果判斷為 True，就會執行對應的程式，反之如果是 False，就會跳過判斷式，繼續執行下方的程式。

https://www.w3schools.com/python/gloss_python_if_statement.asp

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Python If Statement - W3Schools

Python supports the usual logical conditions from mathematics: These conditions can be used in several ways, most commonly in "if statements" and loops. An "if statement" is written by using the if keyword. In this example we use two variables, a and b, which are used as part of the if statement to test whether b is greater than a.

https://www.programiz.com/python-programming/if-elif-else

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Python if, if...else Statement (With Examples) - Programiz

In computer programming, the if statement is a conditional statement. It is used to execute a block of code only when a specific condition is met. For example, Suppose we need to assign different grades to students based on their scores. These conditional tasks can be achieved using the if statement.

https://www.geeksforgeeks.org/python-if-else/

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Python If Else Statements – Conditional Statements - GeeksforGeeks

In Python, If-Else is a fundamental conditional statement used for decision-making in programming. If...Else statement allows to execution of specific blocks of code depending on the condition is True or False. if statement is the most simple decision-making statement.

https://www.dataquest.io/blog/tutorial-using-if-statements-in-pyt...

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How to Use IF Statements in Python (if, else, elif, and more) - Dataquest

In Python, if statements are a starting point to implement a condition. Let’s look at the simplest example: When <condition> is evaluated by Python, it’ll become either True or False (Booleans).

https://note.nkmk.me/en/python-if-elif-else/

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Python if Statement (if, elif, else) | note.nkmk.me

This article explains the basic syntax of Python's if statement (if ... elif ... else ...), including how to specify multiple conditions and negated conditions. 8. Compound statements - The if statement — Python 3.12.2 documentation. if ... else ... if ... elif ... else ...

https://pythonbasics.org/if-statements/

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If Statements Explained - Python Tutorial

In Python the if statement is used for conditional execution or branching. An if statement is one of the control structures. (A control structure controls the flow of the program.) The if statement may be combined with certain operator such as equality (==), greater than (>=), smaller than (<=) and not equal (!=).

https://pythonguides.com/conditional-statements-and-loops/

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Python Conditional Statements and Loops

Conditional statements and loops are essential tools in Python programming. They enable you to create dynamic programs that can make decisions and process data efficiently. Mastering these concepts will help you write more effective Python code, whether you’re building machine learning models with TensorFlow, creating visualizations with Matplotlib, or developing web applications with Django.

https://docs.python.org/3/tutorial/controlflow.html

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4. More Control Flow Tools — Python 3.13.3 documentation

Perhaps the most well-known statement type is the if statement. For example: >>> x = int(input("Please enter an integer: ")) Please enter an integer: 42 >>> if x < 0: ... x = 0 ... print('Negative changed to zero') ... elif x == 0: ... print('Zero') ... elif x == 1: ... print('Single') ... else: ... print('More') ... More.

https://www.pythontutorial.net/python-basics/python-if/

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An Essential Guide to Python if Statement By Practical Examples

You use the if statement to execute a block of code based on a specified condition. The syntax of the if statement is as follows: if -block Code language: Python (python) The if statement checks the condition first. If the condition evaluates to True, it executes the statements in the if-block. Otherwise, it ignores the statements.

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