Section 5.28 Functions and Conditionals Mixed-Up Code Questions

Activity 5.28.1.

Create a function called get_grade that takes in a parameter percentage and returns a string variable called letter_grade. If the percentage is greater than 100, return "You can't get over 100.". Otherwise, it should return 'A' if the score is greater than or equal to 90, 'B' if greater than or equal to 80, 'C' if greater than or equal to 70, 'D' if greater than or equal to 60, and otherwise 'E'. For example, get_grade(90) should return 'A'.

def get_grade(percentage):
---
def get_grade(percentage)  #paired
---
    if percentage > 100:
---
        return "You can't get over 100."
---
        return 'You can't get over 100.'  #paired
---
    elif percentage <= 100 and percentage >= 90:
---
        letter_grade = 'A'
---
        letter_grade == 'A'  #paired
---
    elif percentage >= 80:
---
        letter_grade = 'B'
---
    elif percentage >= 70:
---
        letter_grade = 'C'
---
    elif percentage >= 60:
---
        letter_grade = 'D'
---
    else:
        letter_grade = 'E'
---
    return letter_grade

Activity 5.28.2.

Create a function called even_or_odd that takes in a parameter num. If num is odd, return "This is odd.", and if num is even, return "This is even." ``. For example, ``even_or_odd(-65) should return "This is odd.". Note: For this function, num is solely an integer.

def even_or_odd(num):
---
Def even_or_odd(num):  #paired
---
    if num % 2 == 0:
---
    if num % 2 = 1:  #paired
---
    if num % 2 = 0: 
---
        return "This is even."
---
    else:
---
        return "This is odd."

Activity 5.28.3.

Create a function called which_quadrant that takes in parameters x and y and returns its corresponding quadrants in increasing order (“Quadrant 1”, “Quadrant 2”, etc.). Refer to https://en.wikipedia.org/wiki/Quadrant_(plane_geometry) for quadrants on a coordinate plane if needed. If coordinate is on the x or y axis, return "It's not in a quadrant.". For example, which_quadrant(1, 100) should return "Quadrant 1".

def which_quadrant(x, y):
---
    if (x > 0) and (y > 0):
---
    if (x >= 0) and (y >= 0):  #paired
---
        return "Quadrant 1"
---
    elif (x < 0) and (y > 0):
---
    elif (x <= 0) and (y >= 0):  #paired
---
        return "Quadrant 2"
---
    elif (x < 0) and (y < 0):
---
    elif (x <= 0) and (y <= 0):  #paired
---
        return "Quadrant 3"
---
    elif (x > 0) and (y < 0):
---
    elif (x >= 0) and (y <= 0):  #paired
---
        return "Quadrant 4"
---
    else:
---
        return "It's not in a quadrant."
---
        return 'It's not in a quadrant.'  #paired

Activity 5.28.4.

Create a function called axis_or_origin that takes in parameters x and y. If both coordinates aren’t 0, return "This coordinate is not on an axis. It's in a quadrant.". If both coordinates are 0, return "This coordinate is the origin.". Lastly, if the coordinate isn’t in a quadrant and isn’t the origin, determine if the coordinate is on the x or y axis by returning "This coordinate is on the (y-axis or x-axis).". Refer to https://www.math.net/x-and-y-axis for information on axes if needed. For example, axis_or_origin(500, 0) should return "This coordinate is on the x-axis.".

def axis_or_origin(x, y):
---
    if (x != 0) and (y != 0):
---
    if (x != 0) && (y != 0):  #paired
---
    if (x != 0) or (y != 0): 
---
        return "This coordinate is not on an axis. It's in a quadrant."
---
    elif (x == 0) and (y == 0):
---
        return "This coordinate is the origin."
---
    elif x == 0:
---
    if x == 0:  #paired
---
    elif x = 0: 
---
        return "This coordinate is on the y-axis."
---
    else:
---
        return "This coordinate is on the x-axis."

Activity 5.28.5.

Create a function called num_to_day that takes in a parameter num. If num is between 1-5 inclusive, create a nested conditional statement that returns "This is a weekday, and it's (insert day here).", 1 being Monday through 5 being Friday. If num is 6 or 7, create a nested conditional statement that returns "It is the weekend, and it's (insert day here).", 6 being Saturday and 7 being Sunday. If none of the other conditions have been met, return "The number does not correspond to a day of the week.". For example, num_to_day(1) should return "This is a weekday, and it's Monday.".

def num_to_day(num):
---
    if (num >= 1) and (num <= 5):
---
    if (num > 1) and (num < 5):  #paired
---
        if num == 1:
---
            return "This is a weekday, and it's Monday."
---
        elif num == 2:
---
            return "This is a weekday, and it's Tuesday."
---
        elif num == 3:
---
            return "This is a weekday, and it's Wednesday."
---
        elif num == 4:
---
            return "This is a weekday, and it's Thursday."
---
        else:
---
            return "This is a weekday, and it's Friday."
---
    elif (num > 5) and (num <= 7):
---
    elif num <= 7:  #paired
---
    elif (num > 5) or (num <= 7): 
---
    elif (num >= 5) or (num <= 7):  #paired
---
        if num == 6:
---
            return "It is the weekend, and it's Saturday."
---
        else:
---
            return "It is the weekend, and it's Sunday."
---
    else:
---
        return "The number does not correspond to a day of the week."

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