$1.$ greatestOfFour $($w$,$ x$,$ y$,$ z$)-$ Function returns the greatest of four numbers w$,$ x$,$ y$,$ and z$,$ and return it$.$ Sample code:

# Function Name: greatestOfFour

# Desc: Finds greatest of $4$ numbers

# Parameters: num$1-$ int, num$2-$ int, num$3-$ int, num$4-$ int

# Return: int

def greatestOfFour$($num$1,$ num$2,$ num$3,$ num$4)$: if num$1>$num$2$ and num$1>$num$3$ and num$1>$num$4$:

return num$1$

elif num$2>$num$3$ and num$2>$num$4$:

return num$2$ elif num$3>$num$4$: return num$3$

else: return num$4$ # Read Input

print$("$Enter four numbers to check the greatest: $")$ num$1=$ input$("1$st num: $")$

num$2=$ input$("2$nd num: $")$

num$3=$ input$("3$rd num: $")$

num$4=$ input$("4$th num: $")$

# Call function for Process and Output

print$("$Greatest of $4$ numbers: $")$

print$($greatestOfFour$($int$($num$1),$ int$($num$2),$ int$($num$3),$ int$($num$4)))$

Output:

$2.$ reverseSentence$($sentence$)-$ Function that returns the reverse of a given sentence $($words$)$ entered by user.

$3.$ listOdd$($n$1,$ n$2)$ Function to return list of all the odd numbers between two numbers.

$4.$ calculateTotalSalary$($month$\_$sal, no$\_$of$\_$years$)-$ Function returns the computed total salary based on monthly salary and number of years. If the number of years is greater than $4$ years, an increment of $3\%$

is added to the total salary from $5$th year.

$5.$ listMax$($numList$)$ Function returns the maximum from a list of numbers.

$6.$ profit$\_$or$\_$loss$($cost$\_$price,selling$\_$price$)-$ Function returns the calculated actual profit or loss based on

cost price and selling price using the formula, Profit $=($Selling Price $-$ Cost Price$)$ and Loss $=($Cost Price $-$

Selling Price$).$

$7.$ printEveIndexChar$($str$)-$ Function that returns only those characters which are present at an even index

number in a given String.

$8.$ rental$\_$car$\_$cost$($rate$\_$per$\_$day, no$\_$of$\_$days$)-$ Function that returns the calculated cost of renting the car

based on the rental rate per day and number of days the car is rented. If you rent the car for $7$ or more days, you get $$40$ off your total cost. Alternatively, if you rent the car for $3$ or more days, you get $$20$ off your total. You cannot get both of the above discounts at the same time.

$9.$ average$($list$)-$ Function to find the average of given list of numbers.

$10.$ square$\_$of$\_$numbers$($num$1,$ num$2)-$function to create and returns a list where the values are square of

numbers between $1$ and $30($both included$).$