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What are Functions?

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Sumit Rawal answered on June 23, 2020 Popularity 5/10 Helpfulness 1/10

answer What are Functions?

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What are Functions?

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A function is a reusable set of operations.

That sounds like a pretty straightforward definition. But what does it exactly mean?

Take the print() and len() statements for instance. Both always perform predefined tasks. Hence, they are examples of functions!

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Contributed on May 16 2023

Sumit Rawal

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A function is a reusable set of statements to perform a task or calculate a value.
Functions can be passed one or more values and can return a value at the end of their execution. 
In order to use a function, you must define it somewhere in the scope where you wish to call it.

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Contributed on Jun 23 2020

Coding Club

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functions

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SELECT COUNT(age) FROM Students;

Popularity 9/10 Helpfulness 1/10 Language sql

Source: practice.geeksforgeeks.org

Tags: sql

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Contributed on Sep 15 2021

Eager Eagle

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functions

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1
<arrayname>[<arrayindexnumber>] = <value>;

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Contributed on May 21 2022

Sipho Makhu

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syntax of functions,

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variable = function_name ( args, ...);

Popularity 2/10 Helpfulness 1/10 Language javascript

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Contributed on Oct 18 2022

jendu is a flower

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functions

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end functions

@echo off


IF EXIST c:\test\test.txt (GOTO :EXISTING) ELSE GOTO :MISSING

:EXISTING
  echo file exists
goto :eof
rem eof means end of file

:MISSING
  echo file missing
goto :eof

ping localhost -n 5 >NUL`enter code here`

Popularity 3/10 Helpfulness 1/10 Language shell

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Contributed on Feb 28 2023

mostafa ghobashy

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Defining Functions

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def fib(n):    # write Fibonacci series up to n
    """Print a Fibonacci series up to n."""
    a, b = 0, 1
    while a < n:
        print(a, end=' ')
        a, b = b, a+b
    print()

# Now call the function we just defined:
fib(2000)
0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597

Popularity 4/10 Helpfulness 1/10 Language python

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Contributed on Mar 23 2023

Vinay Rawal

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Functions

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You can think of functions like a bunch of code that is intended to do a particular task in the whole Python script. Python used the keyword ‘def’ to define a function.

# Python program to illustrate
# functions
def hello():
    print("hello")
    print("hello again")
hello()
  
# calling function
hello()

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Contributed on Apr 02 2023

Vinay Rawal

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Defining Functions

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def add(x, y):
    return x + y

result = add(3, 5)  # Call the add function with arguments 3 and 5

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Source: chat.openai.com

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Contributed on Nov 08 2023

Dangerous Dunlin

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