print("Hello World!");
#operator precedence
#()
#**
#*,/
#=,-
# augmented assignment operator
some_value = 5
some_value = some_value + 2
# short hand version
some_value += 2
print(some_value)
#type conversion
print (type(str(100)))
a = str(100)
b = int(a)
c = type(b)
print(c)
#escape sequence
weather = '\t It\'s kind of sunny \n hope you have a good day'
print(weather)
#formatted strings
name = 'Johnny'
age = 55
print(f"hi{name}. You are {age}")
#built in functions + methods(denote with a . after a particular type of data)
quote = 'to be or not to be'
print(quote.upper())
#Type conversion
birth_year = int(input('what year were you born?'))
age = 2023 - birth_year
print(f'\n\tYour age is {age}')
#list slicing (its mutable) use list slicing to copy a list vs modifying
amazon_cart = ['notebooks', 'sunglasses','toys','grapes']
print(amazon_cart[0:1])
#Matrix
matrix = [
[1,2,3],
[4,5,6],
[7,8,9]
]
print (matrix[1][1])
basket = [a,b,c,d,e]
#adding
new_list = basket.extend([100])
print(basket)
print(new_list)
