nichotined/compound-data-types.md

## compound-data-types.md

      
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              compound-data-types.md
            
          
    Programming Class

Compound Data Type

List

List is a sorted array to store multiple data. It can also store multiple types of data.
fruits = ["banana", "apple", "orange", "kiwi"]
numbers = [1, 2, 3, 4, 5, 6, 7]
animals = [{"Dog", 4}, {"Gorilla", 2}]
data = ["name", "full_name", 19]
You can access an item in a list by referring to its index just like accessing String
fruits = ["banana", "apple", "orange", "kiwi"]
print(fruits[0])
print(fruits[1])
print(fruits[0::2])
You can modify the value from a list by referring to its item index
fruits = ["banana", "apple", "orange", "kiwi"]
fruits[0] = "pineapple"
print(fruits)
You can add value to a list by using append function and it will be added in the last index
fruits = ["banana", "apple", "orange", "kiwi"]
fruits.append("pineapple")
print(fruits)
To add value to a list in the specific index, you can use insert function
fruits = ["banana", "apple", "orange", "kiwi"]
fruits.insert(1, "pineapple")
print(fruits)
There are several ways for you to remove an item from a list. You can use remove function, pop function or del function.
fruits = ["banana", "apple", "orange", "kiwi", "pineapple"]
fruits.remove("banana")
print(fruits)

del fruits[0]
print(fruits)

fruits.pop()
print(fruits)
You can empty a list using clear function
fruits = ["banana", "apple", "orange", "kiwi", "pineapple"]
fruits.clear()
print(fruits)
You can completely delete a list using del
fruits = ["banana", "apple", "orange", "kiwi", "pineapple"]
del fruits
print(fruits)    # NameError
You can also get a length from a list using len function
fruits = ["banana", "apple", "orange", "kiwi", "pineapple"]
length = len(fruits)
print(length)
Dictionary

Dictionary is a collection of items which is unordered, indexed, and changeable. It has a key and value pair.
nicholas = {"name": "Nicholas Frederick", "age": 22}
micro_services = {"services":
    [
        {"name": "spider"}, {"name": "vertices"}, {"name": "gandalf"}
    ]
}
qa_members = {
    "Platform": [
        {"name": "Rizky"}, {"name": "Amri"}
    ],
    "Mercury": [
        {"name": "Vicky"}, {"name": "Haira"}, {"name": "Bagus"}
    ]
}
You can access an item in a dictionary using its key
qa_members = {
    "Platform": [
        {"name": "Rizky"}, {"name": "Amri"}
    ],
    "Mercury": [
        {"name": "Vicky"}, {"name": "Haira"}, {"name": "Bagus"}
    ]
}
print(qa_members.get("Platform"))
print(qa_members["Mercury"])
You can add an item to a dictionary by assigning value to a key name
person = {"name": "nicholas"}
person["age"] = 20
print(person)
You can change the value of a specific item by referring to its key name
person = {"name": "nicholas", "age": 20}
person["age"] = 22
print(person)
Note:

Using get function will not throw an error if the key does not exist otherwise using the subscript operator will throw a KeyError

Set

Set is an unordered and unindexed collection of data.
fruits = {"apple", "banana", "orange", "kiwi"}
You cannot access items in a set by referring to an index since sets are unordered the items has no index but, you can check whether an item in a set.
fruits = {"apple", "banana", "orange", "kiwi"}
print("banana" in fruits)
Tuple

A tuple is an immutable data type. Once you created it, you cannot add or remove the data.
cities_in_jawa = ("Jakarta", "Bandung", "Bogor", "Surabaya", "Semarang")
You can access a Tuple item by the item index starting from 0.
cities_in_jawa = ("Jakarta", "Bandung", "Bogor", "Surabaya", "Semarang")
print(cities_in_jawa[0])
print(cities_in_jawa[3])
Assignment


Write a Python script that will take arguments from the command line.

Your program's behavior should match the example below
$ python3 list.py hello world my name is maverick
['hello', 'world', 'my', 'name', 'is', 'maverick']

$ python3 list.py hello world my name is maverick
['hello', 'world', 'my', 'name', 'is', 'maverick']


Write a Python script that will ask for some inputs for name, age, and gender.

Your program's behavior should match the example below
$ python3 profile.py
Please enter your name: Nicholas
Please enter your age: 22
Please enter your gender: Male
{'name': 'Nicholas', 'age': 22, 'gender': 'Male'}
Character in name is 8
You are a BOY!

$ python3 profile.py
Please enter your name: Catherine
Please enter your age: 24
Please enter your gender: Female
{'name': 'Catherine', 'age': 22, 'gender': 'Female'}
Character in name is 9
You are a GIRL!


Consider the following code
data1 = (1, 2, 3)
data2 = (1, 2, 3)
print(data1 == data2)
print(data1 is data2)
What are the differences between data1 and data2?

Why is returns False when == returns True?

Explain the answer using your own words!


Write a python script that has a list of tuples that each contain the name and number of automated TestRail cases of every member of QA.


Given a dictionary
{
 "age": 27,
 "eyeColor": "green",
 "name": "Burks Santos",
 "gender": "male",
 "company": "COMBOGENE",
 "email": "burkssantos@combogene.com",
 "address": "159 Linden Street, Detroit, Georgia, 8388",
 "latitude": "-68.759098",
 "longitude": "-142.239765",
 "friends": [
     {
         "id": 0,
         "name": "Kelly Dejesus",
         "gender": "male"
     },
     {
         "id": 1,
         "name": "Le Holden",
         "gender": "male"
     },
     {
         "id": 2,
         "name": "Kline Ray",
         "gender": "male"
     }]
}
Write a python program that will ask for a key of above dictionary and print the value of it.

This program will endlessly ask for a key!

Your program's behavior should match the example below
$ python3 data.py
Give me one of below key, and I will return you the value.
age, eyeColor, name, gender, company, email, address, latitude, longitude, friends
Please enter a key: age
Value of key age is 27
Please enter a key: email
Value of key email is burkssantos@combogene.com
Please enter a key: message
Value of key message is out of my control