print('The name of my pet zebra is '+spam['zebra']) 12)尝试使用Python关键字作为变量名(导致“SyntaxError:invalid syntax”) Python关键不能用作变量名,该错误发生在如下代码中: 1 class='algebra' Python3的关键字有:and, as, assert, break, class, continue, def, del, elif, else, except, Fal...
'dog':'Basil','mouse':'Whiskers'}print('The name of my pet zebra is ' + spam['zebra'])12）尝试使用Python关键字作为变量名（导致“SyntaxError：invalid syntax”）Python关键不能用作变量名，
Python Download – How To Install Python [Easy Steps] Python Version History What is Python Programming Language? Advantages and Disadvantages of Python Python Data Types Python Arrays – The Complete Guide Strings in Python Python Numbers – Learn How to Create Prime Numbers, Perfect Numbers, and...
Python dir() functionThe dir() function is a library function in Python, it is used to get the list of all properties and methods of an object, it accepts an object and returns a list of all inbuilt, user-defined properties, and methods without the values....
This is Python's way of saying "I don't understand you". Python knows that what you've typed isn't valid Python code but it's not sure what advice to give you. When you're lucky, yourSyntaxErrorwill have some helpful advice in it: ...
Comments in Python: A comment starts with the # symbol and continues until the end of the line. Comments are ignored by the Python interpreter and are not part of the program's output. Python does not have multi-line comment syntax like some other languages. If multiple lines are required...
Of course you can **__//''combine''//__** all these. You can usesubscriptandsuperscript, too. You can use <sub>subscript</sub> and <sup>superscript</sup>, too. You can mark something asdeletedas well. You can mark something as <del>deleted</del> as well. ...
You can also program your script in such a way that it should accept various options.Command Line Argumentsis an advanced topic and should be studied a bit later once you have gone through rest of the Python concepts. Print Page Previous ...
First Python Program Let us execute the programs in different modes of programming. Interactive Mode Programming Invoking the interpreter without passing a script file as a parameter brings up the following prompt − $ pythonPython3.3.2(default,Dec102013,11:35:01)[GCC4.6.3]onLinuxType"help","...
You can mark something as <del>deleted</del> as well. Paragraphs are created from blank lines. If you want to force a newline without a paragraph, you can use two backslashes followed by a whitespace or the end of line. This is some text with some linebreaks Note that the two backsl...