# lists - data structure similar to array, mutable (values can be changed)

# tuples - data structure similar to array, immutable (values cannot be changed)

# dictionaries - data structure having <key, value> pairs, mutable

# list of strings

names = ["Lara", "Gab", "Keean", "Carlos", "Francis", "Hazel"]

print(names)

print(names[0])

print(names[0:3])

print(names[5])

print(names[-1])

print(names[-2])

print(names[-3])

print(names[len(names) - 1])

print(names[0:6:2])

print(names[::2])

name = "Lara"

# duplicate name times 3

# as list elements

names = [name] * 3

print(names)

# make a five-zero array

zero_array = [0] * 5

print(zero_array)

number = list(range(5))

print(number)

even_numbers = list(range(0, 11, 2))

print(even_numbers)

names = ["Lara", "Gab", "Keean", "Carlos", "Francis", "Hazel"]

names.append("Abi") # insert a new entry to the list, add to end

print(names)

names.append("Gab")

print(names)

names.remove("Gab") # removes first occurence

print(names)

names.pop() # removes last item in the list

print(names) # just to see

print(names[::-1])

# for(int index = 0; index < names.length; index++)

# use loop for iterating through names

for index in range(len(names)):

print(names[index])

print()

# use loop to reverse sort

# for (int index = <start>; <conditions>; <increment>) { }

# range(start, stop, step)

# for (int index = names.length; index < 0; index--) { }

for index in range(len(names) - 1, -1, -1):

print(names[index])

print()

names = names[::-1]

print(names)

print()

# naive reverse sort

# using loop

reversed_names = []

for index in range(len(names) - 1, -1, -1):

reversed_names.append(names[index])

print(reversed_names)

for index in range(len(names)):

print(names[index])

if names[index] == "Carlos":

names[index] = "Carlo"

print(names)

names_and_numbers = ["John Doe", 36, "Minnesota", 2600.00]

print(names_and_numbers)

names = ("Lara", "Gab", "Keean", "Carlos", "Francis", "Hazel", "Abi")

print(names)

for index in range(len(names)):

print(names[index])

# # try to change tuple value

# for index in range(len(names)):

# if names[index] == "Carlos":

# names[index] = "Carlo"

# print(names)

print()

for name in names:

print(name)

for index, name in enumerate(names):

print(f"{index} : {name}")

for index, name in enumerate(names):

if index % 2 == 0:

print(f"{index} : {name}")

elif index % 2 != 0:

print(f"{name}")

print()

employee_1_information = {"first name": "John", "last name": "Doe", "age": 36,

"salary": 2600.00, "employed": True}

print(employee_1_information["first name"])

for key, value in employee_1_information.items():

print(f"{key} : {value}")

employee_1_information["salary"] = 2800.00

print()

print(employee_1_information["salary"])

print(employee_1_information)

employee_1_information["address"] = "Minnesota"

print(employee_1_information)

print(employee_1_information.keys())

print(employee_1_information.values())

employee_1_information.popitem()

print(employee_1_information)

employee_2_information = {"first name": "Jane", "last name": "Doe", "age": 36,

"salary": 2800, "employed": True}

employee_3_information = {"first name": "Uncle", "last name": "Sam", "age": 50,

"salary": 3500, "employed": True}

employees_information = [employee_1_information, employee_2_information, employee_3_information]

print(employees_information)

for employee_number, employee_information in enumerate(employees_information):

for key, value in employee_information.items():

print(f"{key}: {value}")