Functions

1. Write a function named same that takes a string as input, and simply returns that string.

## Write a function named same that takes a string as input, and simply returns that string.

def same (string):
    return string

2. Write a function called same_thing that returns the parameter, unchanged.

## Write a function called same_thing that returns the parameter, unchanged.

def same_thing(a):
    return a

3. Write a function called subtract_three that takes an integer or any number as input, and returns that number minus three.

## Write a function called subtract_three that takes an integer or any number as input, and returns that number minus three.

def subtract_three (a):
    return a-3

4. Write a function called change that takes one number as its input and returns that number, plus 7.

## Write a function called change that takes one number as its input and returns that number, plus 7.

def change(a):
    return a+7

5. Write a function called s_change that takes one string as input and returns that string, concatenated with the string ” for fun.”.

##  Write a function called s_change that takes one string as input and returns that string, concatenated with the string ” for fun.”.

def s_change(a):
     return a + " for fun."

6. Write a function called decision that takes a string as input, and then checks the number of characters. If it has over 17 characters, return “This is a long string”, if it is shorter or has 17 characters, return “This is a short string”.

## Write a function called decision that takes a string as input, and then checks the number of characters. If it has over 17 characters, return “This is a long string”, if it is shorter or has 17 characters, return “This is a short string”.

def decision(s1):
    if len(s1) > 17:
        return ("This is a long string")
    else:
        return ("This is a short string")
    

7. Write a function named intro that takes a string as input. Given the string “Becky” as input, the function should return: “Hello, my name is Becky and I love SI 106.”

## Write a function named intro that takes a string as input. Given the string “Becky” as input, the function should return: “Hello, my name is Becky and I love SI 106.”

def intro(str1):
    return("Hello, my name is "+ str1+ " and I love SI 106.")

intro("Becky") #calling the function named intro
               #and passing the parameter Becky

8. Write a function named total that takes a list of integers as input, and returns the total value of all those integers added together.

## Write a function named total that takes a list of integers as input, and returns the total value of all those integers added together.

def total(lst):
    tot=0
    for i in lst:
        tot=tot+i
    return (tot)

y=total([1,2,3,4,5,6,7])

9. Write a function called count that takes a list of numbers as input and returns a count of the number of elements in the list.

## Write a function called count that takes a list of numbers as input and returns a count of the number of elements in the list.

def count(lst):
    values=0
    for i in lst:
        values=values+1
    return values

y=count([1,2,3,4,5,6,7])

thanks