This gets the first item from the list that matches the condition, and returns None if no item matches. It’s my preferred single-expression form. However, The naive loop-break version, is perfectly Pythonic — it’s concise, clear, and efficient. To make it match the behavior of the one-liner: This will assign None to x if you … Read more
Something like:
Perhaps you should consider using a HashSet. From the MSDN link:
display:inline is very limited and doesn’t allow any block-level styling to added to it. You’re better off using display:inline-block or using float:left. Keep in mind that if you use floats then you need to set the overflow of the parent element to overflow:auto (use visible for IE < 8) and this should work. Use inline-block first.
>> reverse([1,2,3,4,5]) [5, 4, 3, 2, 1]
Use map with operator.add: or zip with a list comprehension: Timing comparisons:
Use List.AddRange(collection As IEnumerable(Of T)) method. It allows you to append at the end of your list another collection/list. Example:
Use csv.DictReader: Will result in :
Well you have a total of 4 questions, let us go one by one. 1. Why does str(list) returns how we see list on the console? How does str(list) work? What is str() and __str__()? The str() callable is to return a printable form of the object only! From the docs str(object) does not always attempt to return a string that is acceptable to eval(); its goal is to return a … Read more