list.txt

     list
it is basically a collection of similar as well diffrent type of data
we can create list similar to array in c,c++

nameof array=[values]
we have to define list at the time of creation
1.list is mutable so we can change this mean we can change the  content in the list.
>>> manu=[10,293.21,'sdjahd']
>>> manu
[10, 293.21, 'sdjahd']
>>> manu
[10, 293.21, 'sdjahd']
>>> nums=[10,20,30,201,213]
>>> nums.append(69)
which is used to insert an element at the end of list
>>> nums
[10, 20, 30, 201, 213, 69]
>>> nums.count(10)
1
which is used to count the number of time an element occure
>>> nums.insert(0,291)
>>> nums
[291, 10, 20, 30, 201, 213, 69]
>>> nums.remove(30)
which is used to remove particular element
>>> nums
[291, 10, 20, 201, 213, 69]
>>> nums.insert(2,19)
which is used to insert an element at particular index
>>> nums
[291, 10, 19, 20, 201, 213, 69]
>>> nums.pop(-1)
69
which is used to remove one element by default index is -1
>>> nums
[291, 10, 19, 20, 201, 213]
>>> nums.pop()
213
>>> nums
[291, 10, 19, 20, 201]
>>> nums[0]=2193

>>> nums.extend([28,129,392,4932,1192])
which is used to insert multiple element at the end
>>> nums
[28, 129, 392, 4932, 1192]
>>> nums.sort()
which is used to sort list in ascending order
>>> nums
[28, 129, 392, 1192, 4932]
>>> nums.reverse()
which isused to reverse list
>>> nums
[4932, 1192, 392, 129, 28]
>>> del nums[2:4]
which is used to delete element from start index 2 and end with index 3
>>> nums
[4932, 1192, 28]
>>> len(nums)
3
>>> nums.append('dnjadja')
>>> nums.append(291.21)
>>> max(nums)
4932
>>> min(nums)
28
>>> len(nums)
4
>>> sum(nums)
6443.21
>>> nums
[4932, 1192, 28, 291.21]