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May 9, 2020 15:10
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# Python List | |
fruits = ["tao", "chuoi", "cam", "mit", "dua hau", "kiwi", "ca chua"] | |
# print(type(fruits)) | |
# Access item in list, access first item by index, start from 0 | |
# print(fruits[0]) | |
# print(fruits[1]) | |
# print(fruits[2]) | |
# print(fruits[len(fruits)-1]) | |
# Access item in list negative indexing style, first item reverse, first item from right | |
# fruits[-1] | |
# fruits[-2] | |
# Access item in list range style [2:5], [:5], [2:], [-4: -1] | |
# [2:5] index >=2 AND index < 5, inclue 2, exclude 5, [2,5) | |
# fruits[2:5] | |
# fruits[:5] | |
# fruits[2:] | |
# fruits[-4:-1] | |
# Change value of a item in list | |
# fruits[0] = "Tao" | |
# loop through a list | |
# for fruit in fruits: | |
# print(fruit) | |
# check if item in list | |
"chuoi" in fruits | |
"chuoi " in fruits | |
# List length | |
len(fruits) | |
# Add items to end | |
fruits.append("sau rieng") | |
# Insert item vs add item | |
fruits.insert(0, "dua chuot") | |
# Remove item - with remove() | |
fruits.remove("dua chuot") | |
# Remove item - with pop() | |
fruits.pop() | |
fruits.pop(1) | |
# Remove item - with del | |
del fruits[0] | |
del fruits | |
# Empty a list - clear() | |
fruits.clear() | |
# Copy a list? Why | |
list2 = fruits.copy() | |
# Join 2 lists | |
hoa_qua = ["Cherry", "dau tay"] | |
danh_sach = fruits + hoa_qua | |
# Reverse order of a list | |
fruits.reverse() | |
# Sort a list | |
fruits.sort() |
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rất hay, thanks anh 👍