Why is it when you copy a list in Python doing b_list = a_list that, any changes made to a_list or to b_list modify the other list? If you've played with lists in Python you will reach a point...
Category: lists
Sort List By Second (or Nth) Element In Python: 1 Line Of Code
How do you sort a list of lists by the second element using Python? To sort a list of lists by the second element in each list use the key parameter to either the .sort() list function (if...
How do you sort a list of tuples by the first element in each tuple in Python? To sort a list of tuples in Python use the .sort() list method if you want to modify the list to sort or the sorted()...
How do read the contents of a file in Python and insert these lines into a list? Using the built-in function open() and the asterisk operator * a file's contents can easily be translated into a...
How To Prepend List With A New Value Or Contents Of Another List In Python
How do you prepend a value or item to a list? Or how do you prepend the contents of a list to another list using Python? There are two ways to prepend items to an existing list in Python: for...
How do you convert a list of strings to a list of integers in Python? And can you do it with one line of code? To convert a list of strings to a list of integers use the built-in map() function if...
