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Conditional Expression (Ternary Operator) in Python
Python has a conditional expression (sometimes called a "ternary operator"). You can write operations like if statements in one line with conditional expressions. 6. Expressions - Conditional expressi ... The condition is evaluated first. If condition is True, X is evaluated and its value is returned, and if condition is False, Y is evaluated and its value is returned.
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Does Python have a ternary conditional operator?
For Python 2.5 and newer there is a specific syntax: [on_true] if [cond] else [on_false] In older Pythons, a ternary operator is not implemented but it's possible to simulate it. cond and on_true or on_false Though there is a potential problem, which is if cond evaluates to True and on_true evaluates to False then on_false is returned instead of on_true.
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Python if else 条件语句详解 - 知乎
在上面的条件语句中,if expression:、elif expression:及 else:后 缩进 的多行代码被称为代码块,一个代码块通常被当成一个整体来执行(除非在运行过程中遇到return、break、continue等关键字),因此这个代码块也被称为 条件执行体。
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Conditional Statements in Python
Note: Python’s conditional expression is similar to the <conditional_expr> ? <expr1> : <expr2> syntax used by many other languages—C, Perl and Java to name a few. In fact, the ?: operator is commonly called the ternary operator in those languages, which is probably the reason Python’s conditional expression is sometimes referred to as the Python ternary operator.
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Ternary Operator in Python - GeeksforGeeks
It is also known as a conditional expression because it evaluates a condition and returns one value if the condition is True and another if it is False. Basic Example of Ternary Operator The simplest way to use a Python ternary operator is when we have a simple if else condition - either of the two conditions is True and the other is False.
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Python if, if...else Statement (With Examples) - Programiz
Python if Statement An if statement executes a block of code only when the specified condition is met. Syntax if condition: # body of if statement Here, condition is a boolean expression, such as number > 5, that evaluates to either True or False. If condition evaluates to True, the body of the if statement is executed. ...
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Python - if, else, elif conditions (With Examples) - TutorialsTeacher.com
Python uses the if, elif, and else conditions to implement the decision control. Learn if, elif, and else condition using simple and quick examples. As mentioned before, the indented block starts after the : symbol, after the boolean expression. It will get executed ...