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Write a function is_low_battery, that takes an integer, level, and returns True if it is below 20, and False otherwise.

Write a function battery_status, that takes an integer, level and:
- It returns "critical" if level is below 5
- It returns "low" if level is between 5 and 19 (including both)
- It returns "normal" if level is 20 or above

Restriction: You CANNOT use any relational operator inside this function's body (<, >, !=, ...).

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Write a function, remainder that takes two numbers, x and y and returns the remainder of dividing x by y. Example:
>>> remainder(5, 3)
2

Write a function, quotient that takes two numbers, x and y and returns the quotient of dividing x by y. Example:
>>> remainder(5, 3)
1

Write a function, equal that takes two numbers and returns True if they are equal, or False otherwise.

Write a function, is_balanced_split that takes two numbers, x and y and returns True if the remainder and the quotient of dividing x by y are equal. It returns False otherwise. Example:
>>> is_balanced_split(8, 3)
True
>>> is_balanced_split(6, 5)
True >>> is_balanced_split(5, 3)
False

Restrictions:
- You cannot use %, // or == inside this function's body
- Body of the function should have only one line

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Write a function, final_score(a: int, b: int, c: int), that takes three test scores and returns final score, which is the sum of average three test score and the bonus. The bonus should be calculated as follows:

if average score is above 80, student gets 5 bonus points
if average score is between 50 and 80 (including both), student gets 2 bonus points
if average score is below 50 student doesn't get any bonus point

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Write a function that takes one number, and returns True if it ends with 4, or False otherwise. Example:
>>> ends_with(14)
True
>>> ends_with(13)
False

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A taxi charges:
- $4 for the first km
- $2 for each km from 2 to 10
- $1.50 for each km beyond 10

Write a function that takes the number of kilometers traveled and returns the total fare. Example:
>>> taxi_meter(1)
4
>>> taxi_meter(2)
6
>>> taxi_meter(10)
22
>>> taxi_meter(15)
29.5

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Write a function, multiply that takes two numbers and returns their product.

Write a function that takes three numbers and returns their product.

Restriction: You cannot use * inside this function's body
Hint: You can use multiply, the function you defined above

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def quotient(a, b):
    return a // b

def sub(a, b):
    return a - b

def calculate(x, y):
    if quotient(x, y) == sub(x, y):
        return quotient(x, y) + sub(x, y)
    elif quotient(x, y) == 2:
        return quotient(x, y) - sub(x, y)
    
    return quotient(x, y) == quotient(x - 1, y)

Given the above script, what are the results of the following calls:

calculate(3, 2):
calculate(7, 2):
calculate(6, 3):

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def quotient(x):
    return x // 2

def remainder(x):
    return x % 2

def add(x):
    return quotient(x) + remainder(x)

Given the script above, what is the return value of the following expressions:

add(2):
add(5):
add(13):

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Complete execution flow of the following program

Misses: 0

def quotient(x, y):
    return x // y

def remainder(x, y):
    return x % y

def add(x, y):
    return quotient(x, remainder(x, y))

>>> add(4, 3)
4
>>> add(8, 3)
4
>>>

Complete execution flow of the following program

Misses: 0

def quotient(x):
    return x // 2

def remainder(x):
    return x % 2

def add(x):
    return quotient(x) + remainder(x)

>>> add(7)
4
>>> add(10)
5
>>>