First-Program

# operator precedence

# print(20 - 3 * 4)

# ()
# **
# * /
# + -

# Guess the output of each answer before you click RUN
# Try to write down your answer before and see how you do... keep it mind I made it a little tricky for you :)

# print((5 + 4) * 10 / 2)  # 45
# 
# print(((5 + 4) * 10) / 2) # 45
# 
# print((5 + 4) * (10 / 2)) # 45
# 
# print(5 + (4 * 10) / 2) # 25
# 
# print(5 + 4 * 10 // 2) # 25
# 

# Optional: bin() and complex
#print(bin(5))
#print(int('0b101', 2))

## variables

# Data types in Python
# int
# float
# bool
# sets
# dict
# str
# tuple
# list
# complex


# user_iq = 190
# user_age = user_iq/4
# a = user_age
# 
# print(a)
# 
# # constants
# PI = 3.14
# a,b,c = 1,2,3
# 
# print(PI)
# print(a)
# print(b)
# print(c)

# Expressions vs statements
#iq = 100
#user_age = iq / 5 # expression is iq/5 and statement is user_age = iq / 5


# augmented assigment operator
#some_value = 5
#some_value *= 2
#
#print(some_value)

# strings
#print(type("hello there 42 MUkwaxi"))
#username = 'supercoder'
#password = 'supersecret'
#
#
#long_string = '''
#WOW
#0 0
#---
#
#'''
#
#print(long_string)
#
#
#first_name = 'Marcio'
#last_name = 'Jeovety'
#full_name = first_name + ' ' + last_name
#print(full_name)

# string concatenation
#print('hello' + ' Marcio')

#print('hello' + 5)

#type conversion
#print(type(str(100)))

# escape sequence
#weather = '\nIt\'s \"kind of\" sunny'
#
#print(weather)


# formatted strings
#name = 'Johnny'
#age = 55
#print(f'hi {name}. You are {age} years old')

# String indexes
#selfish = '01234567'
#print(selfish[::-1])

# Immutability

#selfish = '01234567'
#
#selfish = 100
#
#print(selfish)

#Built-in functions  + methods

# quote = 'to be or not to be'
# 
# print(quote.upper())
# 
# print(quote.capitalize())
# 
# print(quote.lower())
# 
# print(quote.find('be'))
# 
# print(quote.replace('be', 'me'))
# 
# print(quote)


# Booleans

#name = 'Marcio'
#is_cool = False
#
#is_cool = True
#
#print(is_cool)
#print(bool(1))


# Exercise Type conversion


#name = 'Marcio Jeovety'
#age = 150
#relationship_status = 'single'
#
#
#relationship_status = f'It is fire with Katy'
#
#print(relationship_status)


#birth_year = input('what year were you born?\n')
#
#print('So you are ' + str(2026 - int(birth_year)) + ' years old.')

#print(bool(5))


# Exercise Password checker


#username = input('what is your name?\n')
#password = input('what is your password?\n')
#
#password_length = len(password)
#hidden_password = '*' * password_length
#
#print(f'Hello {username}, your password {hidden_password} is {password_length} letters long.')

# Lists
#List slicing

#amazon_cart = [
#    'notebooks',
#    'sunglasses',
#    'toys',
#    'grapes'
#]
#
#
#amazon_cart[0] = 'macbook'
#new_cart = amazon_cart[:]
#new_cart[0] = 'windows'
#
#print(new_cart)
#print(amazon_cart)


# Matrix

#matrix = [
#    [1,2,3],
#    [2,4,6],
#    [7,8,9]
#]
#
#print(matrix[0][1])

# List methods

basket = ['m','a', 'k','b', 'c','z', 'd', 'e']

# adding
#new_list = basket.append(100) 
#basket.insert(4, 20)
#new_list = basket
#
#print(basket)
#print(new_list)

# removing
#basket.pop()
#basket.pop(0)

#basket.remove(4)

#basket.clear()

# index
#print(basket.index('b', 0, 3))

#print('d' in basket)

#print(basket.count('d'))

#basket.sort()

#basket.reverse()
#basket.sort()
#basket.reverse()
#
#
#
#new_sentence = ' '.join(['hi', 'my', 'name', 'is', 'DoDo'])
#
#print(basket[::-1])
#print(basket)
#
#print(list(range(11)))
#print(new_sentence)


# list unpacking
#a,b,c, *other = [1,2,3,4,5,6,7,8,9]


#print(other)


# None is absence of value
#weapons = None

#print(weapons)


# dictionary

#dictionary = {
#    'a' : [1,2,3],
#    'b' : 'hello',
#    'x' : True
#}

#my_list = [{
#    'a' : [1,2,3],
#    'b' : 'hello',
#    'x' : True
#    },
#    {
#    'a' : [4,5,6],
#    'b' : 'hello',
#    'x' : True
#    }
#]
#
#print(my_list[0]['a'][2])
#print(my_list[1]['a'][1])


user = {
    'basket' : [1,2,3],
    'greet' : 'hello',
    'x' : True,
    'age' : 20
}

#user2 = dict(name='Jon Jones')
#print(user.get('age', 0))

#print('basket' in user)

#print('age' in user.keys())
#print(user.items())

#user2 = user.copy()

#print(user.update({'age': 55}))
#print(user)