explain if else statement

Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the

The code we see earlier is executed sequentially, that is, the first statement is executed first, then the second, the third ... Until the last statement. However, in many cases, sequential structure of the code is far from enough, such as a

An If statement can be followed by an optional else statement, when the Boolean expression is executed with a false statement.Grammar The syntax for the IF ... else statement in the LUA programming language is: Copy Code code as follows:

Question: Evaluate the final test scores of Students Score> = 90: 90> score> = 80: B 80> score> = 70: c 70> score> = 60: d Solution 1: If else if is not understood, and this error is easy to make. If (score> = 90) // condition 1 {console.

Objective Process Control statement: In the process of executing a program, the order of execution of each statement has a direct effect on the result of the program. That is to say, the process of the program has a direct impact on the running

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

SQL statement case when then else end returns a qualified value, sqlcase Case has two formats Simple Case functions and Case search functions: -- Simple Case function CASE sex WHEN '1' then' male 'when' 2' then' female 'else' other 'ends -- Case

C # explain the if branch statement and example (an example of determining whether it is a leap year ), I. if branch statement 1,Add # region # endregion at the beginning and end, comment it out, and the code will be foldable. The Code will be

One way to "make something happen" is to evaluate an expression with a side effect. Injected assignments and function calls these expressions with side-effects can be used as separate statements, and this expression is also called an expression

Beginning Python from Novice to Professional, 2nd Edition, CHAPTER 8, EXCEPTIONS, Page 173: This description in the body: The point was that using try/except statements are in many cases much more natural (more ' pythonic ') than If/else, and you