IT Nursery
I have a list of objects. One property of the individual object entry is amount. How do I get the sum of amount? If my list was of type...
I have the following DataFrame: In [1]: df = pd.DataFrame({'a': [1, 2, 3], 'b': [2, 3, 4], 'c': ['dd', 'ee', 'ff'], 'd': [5, 9, 1]}) df Out [1]: a...
Let’s say I have a dictionary in which the keys map to integers like: d = {'key1': 1,'key2': 14,'key3': 47} Is there a syntactically minimalistic way to return the...
I have a list of numbers such as [1,2,3,4,5...], and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third, (3+4)/2, and so on. How can...
I have an array of integers. For example: array = [123,321,12389] Is there any nice way to get the sum of them? I know, that sum = 0 array.each...