Strings are variables that can hold data besides numbers, including words. When creating string variables, their value must be inside quotation marks, like this: a_word = "between quotes" We can create a string variable by assigning a variable text that is enclosed in either single quotes or ...
We can later use this attribute to retrieve this docstring. Example 2: Printing docstring def square(n): '''Take a number n and return the square of n.''' return n**2 print(square.__doc__) Run Code Output Take a number n and return the square of n. Here, the documentation of...
In the Hello World example, we can use variables instead, to achieve the same result, by first assigning the string literal "Hello World" to a variable, and then printing the variable instead of printing the string literal. Here, "greetings" is the variable name, because it is a container...
Printing We can print elements to the screen by using the print command. If we want to print text, we need to surround the text with quotation marks " ". print("Hello world") print(2 + 2) print(10) String Formatting print("My name is %s and I am %d years old!" % ('Zara'...
Printing Strings打印字符串 So far, when we have wanted to look at the contents of a variable or see the result of a calculation, we have just typed the variable name into the interpreter. We can also see the contents of a variable using the print statement: ...
Function docstrings are placed in the immediate line after the function header and are placed in between triple quotation marks. An appropriate Docstring for your hello() function is ‘Prints “Hello World”’. def hello(): """Prints "Hello World". Returns: None """ print("Hello World") ...
Otherwise, it’s enclosed in single quotation marks.The print() function produces more readable output by omitting the enclosing quotes and by printing escaped special characters. Here's an example without print():Python Copy '"Isn\'t," she said.' The output is:...
However, when you work in the interactive Python shell, also known as the Python REPL, you have the option of previewing the visual representation of expressions, such as string literals, without printing them:Python >>> r"\\" '\\\' This is known as the evaluation of expressions. Evalua...
For kids to be able to see the value of their variable when they run their program, they’ll need to print it. (No, it won't send anything to the printer!). There will be more on printing below, but for now, the process would simply look like: ...
Add this HTML snippet in between the triple-double quotation marks to assign it to self.example_html. Note: If you want to use the full page HTML, then you can also fetch that with your browser, requests, or Scrapy and save it as a string variable. The results should be the same. ...