python show only 1st element of nested lists

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Matteo
12 Jan 2020
1myList = [[1,2,3],[4,5,6],[7,8,9]]
2
3#Quick answer
4print([ele[0] for ele in myList])   #Prints [1, 4, 7]
5
6#Other variations
7print([[ele[0]] for ele in myList]) #Prints [[1], [4], [7]]
8print([[ele[0] for ele in myList]]) #Prints [[1, 4, 7]]
9
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