Python_2
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#LISTS -> [], can store any data, mutuable
# amazon_cart = ['notebooks', 'sunglasses', 'toys', 'grapes']
# # print(amazon_cart)
# #list slicing
# amazon_cart[2] = 'suncream'
# new_cart = amazon_cart[:]
# new_cart[2] = 'gum'
# print(new_cart)
# print(amazon_cart)
#matrix
# matrix = [ [1,2,3], [4,5,6], [7,8,9] ]
# print(matrix[0][1])
#list methods_1
#adding
#basket = ['a','c','b','f','e', 'd']
#basket.append(100) #doesn't create a new value
#basket.insert(5,100)
# basket.extend([100])
# #print(basket)
#removing
# #basket.pop(0) #remove the value of the typed index
# basket.remove(4)
# basket.clear() #completely clear the list
#print(basket)
#list methods_2
# print(basket.index('e')) #searching
# print('a' in basket) #searching_1
# print(basket.count('d'))
#List methods_3
# basket.sort()
# basket.reverse()
#print(sorted(basket)) #produces a new array
#print(basket)
#Common list patterns
#print(basket[::-1])
#print(basket)
#print(list(range(101)))
# new_sentence = ' '.join(['hi', 'my', 'name', 'is', 'JOJO'])
# print(new_sentence)
#list unpacking
# a,b,c, *other,d = [1,2,3,4,5,6,7,8,9]
# print(a)
# print(b)
# print(c)
# print(other)
#None
weapons = None
print(weapons)
Python
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