#1 import matplotlib.pyplot as plt import numpy as np def add_five(x): return 5 * x def double_money(x): return 5 * (2 ** x) x = np.arange(1, 31) y_add_five = add_five(x) y_double_money = double_money(x) plt.plot(x, y_add_five, label='Add $5') plt.plot(x, y_double_money, label='Double $') plt.xlabel('Days') plt.ylabel('Amount of Money') plt.title('Comparison of Money-making Models') plt.legend() plt.show() #2 import matplotlib.pyplot as plt import numpy as np Gavg = 59 Gstandard_dev = 3 Gheights = np.random.normal(Gavg, Gstandard_dev, 50) Bavg = 63 Bstandard_dev = 4 Bheights = np.random.normal(Bavg, Bstandard_dev, 50) fig, ax = plt.subplots() fig.set_size_inches(6, 4) ax.hist(Gheights, alpha=0.5, label='Girls') ax.hist(Bheights, alpha=0.5, label='Boys') ax.set_xlabel('Height (inches)') ax.set_ylabel('Frequency') ax.set_title('Height Distribution of 13-year-olds') ax.legend() plt.show()

1.) import numpy as np grades = np.array([ [32, 7, 100, 85, 79, 12, 91], [75, 78, 75, 83, 5, 84, 81], [94, 89, 87, 94, 92, 90, 68], [34, 75, 76, 72, 80, 78, 81], [87, 44, 86, 90, 23, 89, 91] ]) sortedGrades = np.sort(grades , axis=0) medians = np.median(sortedGrades[:, 3]) print(medians) 2.) deck = np.random.randint(1, 11, size = 24) np.random.shuffle(deck) J = deck[:12] D = deck[12:24] deck = deck.reshape(3, 8) np.random.shuffle(deck) J, D, T = deck print("Jason's hand: ", J) print("Damian's hand: ", D) print("Tim's hand: ", T)

import numpy as np 1.) array = np.linspace(1,1000,20) 2.) array1 = np.random.randint(1, 1000, size=(5, 5)) print(array1) array2 = np.array([[1, 1, 1, 1, 1], [2, 2, 2, 2, 2], [3, 3, 3, 3, 3], [4, 4, 4, 4, 4], [5, 5, 5, 5, 5]]) a.) array3 = np.sort(array1, axis=1) b.) array4 = np.concatenate((array3, array2), axis = 1)

#1 class vehicle(): def __init__(self, make, model, mileage): self.make = make self.model = model self.mileage = mileage def displayInfo(self): print(f"The make is {self.make}, the model is {self.model}, and the mileage is {self.mileage}.") def addMileage(self, adding): self.mileage += adding #2 class Bus(vehicle): def __init__(self, make, model, mileage, fare): self.make = make self.model = model self.mileage = mileage self.fare = fare #3 def calculateFare(self, trips): print(f"{self.fare * trips}") #4 def displayInfo(self): print(f"The make is {self.make}, the model is {self.model}, the mileage is {self.mileage}, the price is ${self.fare}.") #5 bus = bus("Bus", "2341B", 12312, 3.45) bus.addMileage(100) bus.calculateFare(5) bus.displayInfo()

#1 number = input("Please enter a number in word format (one, two, three... five hundred thirty four) oh and please no hyphens ").lower() number.split() last = "" cornerCases = {"one":"first", "two": "second", "three": "third", "five": "fifth", "eight": "eighth", "nine": "ninth", "twelve": "twelfth"} if number[-1] in cornerCases: last = cornerCases[number[-1]] elif number[-1][-1] == "y": last = number[-1][:-1] + "ieth" else: last = number[-1] + "th" for i in range(0, len(number) - 1): print(number[i], end = " ") print(last) #2 num = input("Please enter a number: ") while 1: try: int(num) except: num = input("Please enter a number: ") else: break #3 table = [["App", "Number of hours"], ["Discord", 5], ["Safari", 4.5], ["Messages", 1.25]] for row in table: for item in row: print(item, end = " ") print("\n") #4 import random choices = ["rock", "paper", "scissors"] def rps(): user = input("Rock, paper, scissors! ").lower() comp = random.choice(choices) if comp != user: if comp == "rock": if user == "paper": print("You won!") else: print("You lost.") elif comp == "paper": if user == "scissors": print("You won!") else: print("You lost.") else: if user == "rock": print("You won!") else: print("You lost.") else: print("Tie.") if input("Wanna play rock paper scissors? ").lower() == "yes": rps() else: print("Oh, ok.") #5 input = open("file.txt", "w") input.write("Line1\nLine2\nLine3") input.close() output = open("file.txt", "r") print(output.read())

#1 fruits = {"peach": 2.45, "pineapple": 4.50, "banana": 3.50, "dragonfruit": 5.00, "durian": 20.00, "grape": 0.05, "watermelon": 7.50} userFruit = input("Name a fruit:\t").lower() try: print(f"A {userFruit} is {fruits[userFruit]} dollars") except KeyError: print(f"Unfortunately, {userFruit} is currently unavailable.") #2 file = open("stuff.txt", "r") lines = [] for x in range(4): lines.append(file.readline())

#1 import random list = [] for y in range(4): list.append([]) for x in range(4): list[y].append(random.uniform(10, 20)) for index in range(4): sublist = list[index] for item in sublist: print(item, end = '\t') print('\n') #2 import random ships = [] used = [] for i in range(10): coords = [random.randint(0, 9), random.randint(0, 9)] while coords in used: for j in range(2): coord = random.randint(0, 9) coords.append(coord) used.append(coords) ships.append(coords) print(ships)

#1 list = [12, 3, 17, 234, 42, 2, 6, 4, 3, 54, 38] for x in range(len(list)): num = list[x] if num % 3 == 0: print(num) list[x] -= 2 for x in list: if x % 3 == 0: print(x) #2 list = [x**(1/2) for x in range (11)] print(list) #3 list = [] for x in range(3): print('\n') for y in range(3): print([x, y], end = '\t')

#1 num = 0 while num <= 50: if num % 2 == 0: num += 3 if num % 3 == 0: num += 5 if num % 5 == 0: num += 7 elif (num % 2 != 0) and (num % 3 != 0) and (num % 5 != 0): num += 1 #2 string = input("Enter a string: ") result = "" for x in range(len(string) - 1, -1, -1): result += string[x] print(result) #3 num = 1 while num <= 50: if num % 4 != 0: print (num) num += 1

#1 feet = input("Give a positive number (this will be the number of feet): ") inches = input("Give another positive number (this will be the number of inches): ") feet = float(feet) inches = float(inches) centimeters = ((feet * 12) * 2.54) + (inches * 2.54) print(f"{feet} ft and {inches} in are equal to {centimeters} centimeters") #2 Error 32.0 451 4447 False is the opposite of True