js filter first 10 elements code example
Example 1: get first 10 items of array javascript
const list = ['apple', 'banana', 'orange', 'strawberry']
const size = 3
const items = list.slice(0, size) // res: ['apple', 'banana', 'orange']
Example 2: python show only 1st element of nested lists
myList = [[1,2,3],[4,5,6],[7,8,9]]
#Quick answer
print([ele[0] for ele in myList]) #Prints [1, 4, 7]
#Other variations
print([[ele[0]] for ele in myList]) #Prints [[1], [4], [7]]
print([[ele[0] for ele in myList]]) #Prints [[1, 4, 7]]