Random Homework

Module 2: Data Structures

import numpy as np
import random

ls_exercises = [
    "1.6",
    "1.10",
    "1.15",
    "2.5",
    "2.6",
    "2.7",
    "3.5",
    "3.7",
    "3.8",
    "3.9"
]

ls_students = [
    "MATISSE VALENTINA RITA STEPHAN AAFTINK-DE LUCA",
    #"MATHIAS ANDRES ALVAREZ MORALES",
    #"ADAM HENRYK BAJER",
    "PAUL ANDRE PLERRE CHABERT",
    "FERNANDO CORDERO MARTÍN-CARO",
    "LUIS FERNANDO DIEZ JORRETO",
    "QIN YU EGUÍA FERNÁNDEZ",
    #"MIGUEL FERNÁNDEZ ORTIZ",
    "PABLO GARMA TARDÍO",
    #"IGNACIO GIMENO ALEMANY",
    #"ZOYA INAARA HAIDER",
    "EVA JU?NA",
    "PANAGIOTIS KAMARINOS",
    "NOA KESERI",
    #"DONOVAN LOWE",
    "SEBASTIAN ALEXANDER LUBCZONOK ALEXANDER",
    #"MARIAM MOHAMED ESMAT EZZAT",
    #"OMAR MOHAMED KAMAL",
    #"DARIUS-LUCA PETRUTI",
    #"MARÍA RIVERA LÓPEZ",
    "CARLOS SALDAÑA TEJERA",
    #"ANA SANTOS ESCORIAL",
    #"TAMARA SHOPOVA",
    "PABLO TORRES COLOMINA",
    "ZIPENG YANG"
]

print(len(ls_students))

# Pick a random student
student = random.choice(ls_students)
# Remove the student from list
ls_students.remove(student)
# Print the student
print(student)

# Pick a random exercise
exercise = random.choice(ls_exercises)
# Remove the exercise from list
ls_exercises.remove(exercise)
# Print the exercise
print(exercise)

score = [1, 1, 1, 1, 1]

print(np.mean(score))

# Exercise 1.15: Tuple Sorting


n = int(input("How many people's ages do you want to enter: "))

name_age = []



for i in range(n):

  name_ = input(f"Enter the name of person {i + 1}: ")

  age_ = int(input("Enter his / her age: "))

  name_age.append((name_, age_))


name_age.sort(key = lambda item: item[1])


print(name_age)

lines=[["line1", 0], ["line2", 1], ["line3", 2]]


#calcul de la moyenne

total=0

for x in lines:

  total=total+x[1]# on prend le temps dans la chaine [ligne, Temps]

moyenne=total/len(lines) #calcul de la moyenne


# def distance(x):

#  return(abs(x[1]-moyenne), x[1]) #distance puis temps


lines.sort(key=distance) # trie la liste selon le resultat de distance(x) dans l'ordre croissant


print("Résultat:", lines)

Math = ["John", "Luca", "Greta"]

Biology = ["John", "Mary"]



def total_students(math, biology):

    result = math[:]  # copies the list

    for name1 in biology:

        find_duplicates = False

        for name2 in result:

            if name1 == name2:

                find_duplicates = True

                break

        if find_duplicates:

            continue

        else:

            result.append(name1)

    return result

print(total_students(Math, Biology))
print(Math)

Math = ["John", "Luca", "Greta"]

Biology = ["John", "Mary"]



def total_students(math, biology):

    result = math[:]

    for name1 in biology:

        find_duplicates = False

        for name2 in result:

            if name1 == name2:

                find_duplicates = True

                break

        if find_duplicates:

            continue

        else:

            result.append(name1)

    return result

# print(total_students(Math, Biology))


def common_students(math, biology):

    result = []

    for name1 in biology:

        for name2 in math:

            if name1 == name2:

                result.append(name2)

    return result


# print(common_students(Math, Biology))


def unique_names(math, biology):

    result = []

    for name1 in biology:

        duplicates = False # initialization



        for name2 in math:

            if name1 == name2:

                duplicates = True

                break # break the for loop name2 in math



        if duplicates:

            continue

        else:

            result.append(name1)

    return result


# print(unique_names(Math, Biology))

# print(unique_names(Biology, Math))


def list_students(math, biology):

    return total_students(math, biology), common_students(math, biology), unique_names(biology, math), unique_names(math, biology)


print(list_students(Math, Biology))

# Exercise 1.6: Function as a List Transformer


def list_transformer(lst, func):

  return [func(x) for x in lst]


list_transformer([1, 2, 3], lambda x: x ** 2)

message = "jimmq yqtmf" #we use a dictonary to create the secret pattern of letters for the code

rules = {

  "j": "h",

  "i": "e",

  "m": "l",

  "q": "o",

  "y": "w",

  "t": "r",

  "f": "d",

}


def decrypt_message(message, rules): #message are the key

  decrypted = ""

  for char in message: #rules -> a dictionary that tells how to replace each character

    decrypted += rules.get(char, char) #we loop inside the list to get all "translations"

  return decrypted


print(decrypt_message(message, rules))