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Python 2022-02-24 19:50:03
python convert between list numpy array and pandas series
# Basic syntax: array = numpy.array(list) # Convert list to NumPy array list = array.tolist() # Convert NumPy array to list series = pandas.series(list) # Convert list to Pandas series list = series.tolist() # Convert Pandas series to list array = seri... Add solution -
Python 2021-11-14 06:24:10
convert two lists to a single dictionary python
#initialize lists key_list = ['red', 'green', 'blue'] value_list = [1, 2, 3] #convert lists my_dict = {} for key in key_list: for value in value_list: my_dict[key] = value value_list.remove(value) break print(my_dict) Add solution -
Java 2021-09-27 13:13:06
java 8 stream group by example
package com.mkyong.java8; import java.math.BigDecimal; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.Set; import java.util.stream.Collectors; public class Java8Examples4 { public static void main(String[] ar... Add solution -
Python 2021-09-21 22:13:05
python convert list of lists to array
# Basic syntax: numpy.array(list_of_lists) # Example usage: import numpy as np list_of_lists = [[1, 2, 3], [4, 5, 6]] # Create list of lists your_array = np.array(list_of_lists) # Convert list of lists to array your_array --> array([[1, 2, 3], ... Add solution -
Java 2021-09-09 02:23:02
group by String java 8
package com.mkyong.java8; import java.math.BigDecimal; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.Set; import java.util.stream.Collectors; public class Java8Examples4 { public static void main(String[] ar... Add solution