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Other 2021-11-08 10:53:12
Provided is a list of numbers. For each of the numbers in the list, determine whether they are even. If the number is even, add True to a new list called is_even. If the number is odd, then add False.
Provided is a list of numbers. For each of the numbers in the list, determine whether they are even. If the number is even, add True to a new list called is_even. If the number is odd, then add False. Add solution -
Python 2021-11-04 09:48:11
cursor.fetchall() to list
And what about list comprehensions? If result is ((123,), (234,), (345,)): >>> row = [item[0] for item in cursor.fetchall()] >>> row [123, 234, 345] If result is ({'id': 123}, {'id': 234}, {'id': 345}): >>> row = [item['id'] ... Add solution -
Python 2021-11-04 08:56:11
pandas read_csv drop column
# Read column names from file cols = list(pd.read_csv("sample_data.csv", nrows =1)) print(cols) # Define unused cols unused = ['col1', 'col2'] # Use list comprehension to remove the unwanted column in **usecol** df= pd.read_csv("sample_data... Add solution -
Java 2021-11-04 06:18:15
java list remove
//create ArrayList ArrayList<String> arrayList = new ArrayList<String>(); //add item to ArrayList arrayList.add("item"); //check if ArrayList contains item (returns boolean) System.out.println(arrayList.contains("item")); /... Add solution -
Python 2021-11-03 04:27:13
numpy find index of matching values
import numpy as np # init arrays a = np.array([1,2,3,2,3,4,3,4,5,6]) b = np.array([7,2,10,2,7,4,9,4,9,8]) #using enumerate, list comprehension and set print([key for key, val in enumerate(a) if val in set(b)]) # output # [1, 3, 5, 7] Add solution