a =2 b =330 print("A")ifa > belseprint("B") Try it Yourself » This technique is known asTernary Operators, orConditional Expressions. You can also have multiple else statements on the same line: Example One line if else statement, with 3 conditions: ...
Here, we haven't used indentation after theifstatement. In this case, Python thinks ourifstatement is empty, which results in an error. Python if...else Statement Anifstatement can have an optionalelseclause. Theelsestatement executes if the condition in theifstatement evaluates toFalse. Syntax...
If elif else ladder: When there is more than just two if conditions in if elif else statements, then it is referred to as if elif else ladder, as it resembles the structure of a ladder in terms of if statements. If one of the if conditions turn out to be true, then the rest of ...
protectedResource ='http://localhost/secured_path'foundPass =Falseforuserinusers:iffoundPass:breakforpasswdinpasswords: res = requests.get(protectedResource)ifres.status_code ==401: resDigest = requests.get(protectedResource, auth=HTTPDigestAuth(user, passwd))ifresDigest.status_code ==200:print('...
conditions = [c1, c2, ..., c_N] if any(conditions): # DO THIS pass else: # DO THIS pass 1. 2. 3. 4. 5. 6. 7. 如何使用 all() 函数 让我们从 all() 函数的语法开始: 语法:all(iterable) 如果bool(x) 对于可迭代对象中的所有值 x 为 True,则返回 True。
原文:http://inventwithpython.com/beyond/chapter6.html 强大对于编程语言来说是一个没有意义的形容词。每种编程语言都称自己长处。官方Python教程开头就说 Python 是一种简单易学、功能强大的编程语言。但是没有一种语言可以做另一种语言不能做的算法,也没有量化编程语言“能力”的度量单位(尽管你可以用编程需要...
if(this_is_one_thing and that_is_another_thing):# Since both conditions aretrue,we can frobnicate.do_something()# 在延续行使用额外缩进.if(this_is_one_thing and that_is_another_thing):do_something() 多行构造的{ } / [ ] / ( )可以在列表最后一行的第一个非空白字符下对齐,如下所示:...
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▍82、if语句中的多个条件 math_points = 51 biology_points = 78 physics_points = 56 history_points = 72 my_conditions = [math_points > 50, biology_points > 50, physics_points > 50, history_points > 50] if all(my_conditions): print("Congratulations! You have passed all of the exams....
The current temperatureinTorontois13degrees Celsius, the weather conditions are partly sunnyandthe windiscoming out of the NW directionwitha speed of8km/h if __name__ == "__main__":函数允许我们直接在文件中测试类,因为if语句只有在直接运行文件时才为真。换句话说,对CurrentWeather.py的导入不会...