[Python] List

List

1) Single variable containing multiple items

2) Using square brackets

3) Items are ordered, changeable, and can be duplicated.

4) Items are indexed

 

 

<Code>

1) create a list

#make list
list=[]

2) add items

#add items to list by using append
list.append(1)

#a item in the another list also can be added
a=[1,2,3]
list.append(a[1])

#list itself can be a item of another list
list.append(a)
print(list)

#adding elements of list one by one to another list
#by using 'for'

list2=[]
for i in range(len(a)):
  list2.append(a[i])

3) Remove elements

#delete elements

#remove element '1'
list3=[1,2,3]
list3.remove(1)
print(list3)

#remove 1th element of the list
list4=[1,2,3]
list4.remove(list4[1])
print(list4)

#remove last element of the list
list5=[1,2,3]
list5.pop()
print(list5)

#remove every elements in the list
list6=[1,2,3]
list6.clear()
print(list6)