Whats the difference between print and return?
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Whats the difference between print and return?
print just shows the human user a string representing what is going on inside the computer. The computer cannot make use of that printing. return is how a function gives back a value. This value is often unseen by the human user, but it can be used by the computer in further functions.
Why return is used in Python?
A return statement is used to end the execution of the function call and “returns” the result (value of the expression following the return keyword) to the caller. The statements after the return statements are not executed.
Is print a return statement in Python?
The print() function writes, i.e., “prints”, a string or a number on the console. The return statement does not print out the value it returns when the function is called. It however causes the function to exit or terminate immediately, even if it is not the last statement of the function.
What is the return type of print in Python?
1 Answer. print() function doesn’t return anything (so it’s None ). When you’re printing the output of a function which returns None , sure the output is None .
What is return in coding?
In programming, return is a statement that instructs a program to leave the subroutine and go back to the return address. The return address is located where the subroutine was called. In the example JavaScript below, the function returns to the code that called it if the number sent is less than one.
What does a return do?
A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function.
Can a function return a print?
You can put one or more print statements inside the function definition and not bother to return anything from the function (the value None will be returned). But with a function that has print statements inside it, it can be quite useful.
Does return end a function Python?
A return statement effectively ends a function; that is, when the Python interpreter executes a function’s instructions and reaches the return , it will exit the function at that point.
What is the function of printing?
The function of a printer is to turn digital data into printed media. This could be text, or it could be graphic output. Many printers are primarily used as local peripherals, and are attached by a printer cable or, in most newer printers, a USB cable to a computer which serves as a document source.
Does Python print need parentheses?
In Python 2, “ print ” is a statement and not a function. Consequently, you can print a string without using the function parentheses, for example, print ‘hello world’ . In Python 3, “ print ” refers to a built-in function, so if you want to use it, you need to use parentheses, for example, print(‘hello world’) .
When to use yield instead of return in Python?
Use yield instead of return when the data size is large
What does the return statement do in Python?
Return is the reserved word in Python. It says that we should return the parameter which the fuctions is supposed to be returned when it was called . Once it was returned , the next lines of code are not executed in the method or function .
How to use return in Python?
Python return. The return is a built-in Python statement or keyword used to end the execution of a function call and “returns” the result (value of the expression following the
What is the function of print in Python?
Definition and Usage. The print () function prints the specified message to the screen,or other standard output device.