31. IF-THEN syntax is used – Depending on whether the condition is TRUE or FALSE, you may want to execute one set of statements or another set. If the condition is TRUE, then you want statements to be executed As long as condition1 is TRUE, then one set of statements will be execut...
10)“SyntaxError:invalid syntax”,尝试使用Python关键字作为变量名 Python关键不能用作变量名,该错误发生在如下代码中: class = 'algebra' 1. Python3的关键字有:and, as, assert, break, class, continue, def, del, elif, else, except, False, finally, for, from, global, if, import, in, is, l...
没发现代码有什么问题,python 是哪个版本,是不是编码的问题。coding=utf-8s = input('单位大写')a = eval(s[3:])d = s[0:3]e ,r = 'USD','RMB'if d == e: print('RMB{:.2f}'.format(a * 6.78))elif d == r: print('USD{:.2f}'.format(a / 6.78))else: ...
你的冒号可能是中文输入法输入的,切换成英文输入
当我们在 if 语句中使用单个等号而不是双等号时,通常会导致 Python “SyntaxError: invalid syntax”。 要解决该错误,请使用双等于==if 比较值并确保 if 语句的行以冒号结尾。 比较时使用单个等号 下面是错误如何发生的示例。 name ='迹忆客'# ⛔️ SyntaxError: invalid syntax. Maybe you meant '==' ...
Syntax ifcondition1:# code block 1elifcondition2:# code block 2else:# code block 3 Let's look at an example. Working of if…elif…else Statement Example: Python if…elif…else Statement number =-5ifnumber >0:print('Positive number')elifnumber <0:print('Negative number')else:print('Zer...
我刚刚接触 Python,我真的很喜欢它简洁的语法。但是,是否有一种更简单的方法来编写 if - then - else 语句使其适合一行? 例如: if count == N: count = 0 else: count = N + 1 有没有更简单的写法?我的意思是,在 Objective-C 中我会这样写: count = count == N ? 0 : count + 1; Pyth...
The syntax of an if-else statement in Python is as follows − ifboolean_expression:# code block to be executed# when boolean_expression is trueelse:# code block to be executed# when boolean_expression is false If the boolean expression evaluates to TRUE, then the statement(s) inside the...
Syntax: If (EXPRESSION == TRUE): Statement (Body of the block) else: Statement (Body of the block) Here, the condition will be evaluated to a Boolean expression (true or false). If the condition is true then the statements or program present inside the “if” block will be executed an...
Python中的条件语句和循环语句 一、条件语句 Python中的条件语句主要是由if语句来编写,主要分为单分支结构、双分支结构、多分支结构,不同于C语言和java,Python中没有switch语法 1、if 语句 if条件判断语句,可判断当前程序执行到此处时候...tips :java 和 C语言中 是 else if ,Python直接用 elif 了 ,el...