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Introduction To Python
Python is a widely-used, interpreted, object-oriented, and high-level programming language with dynamic semantics, used for general-purpose programming. It was created by Guido van Rossum, and first released on February 20, 1991.
Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. It is also used to create various machine learning algorithm, and helps in Artificial Intelligence. Python is a general purpose language, meaning it can be used to create a variety of different programs and isn’t specialized for any specific problems. This versatility, along with its beginner-friendliness, has made it one of the most-used programming languages today. A survey conducted by industry analyst firm RedMonk found that it was the most popular programming language among developers in 2020.
Link for the Problem – Arrays in Python – HackerRank Solution
Arrays in Python – HackerRank Solution
Problem:
The NumPy (Numeric Python) package helps us manipulate large arrays and matrices of numeric data.
To use the NumPy module, we need to import it using:
import numpy
Array :A NumPy array is a grid of values. They are similar to lists, except that every element of an array must be the same type.
import numpy a = numpy.array([1,2,3,4,5]) print a[1] #2 b = numpy.array([1,2,3,4,5],float) print b[1] #2.0
in the above example, numpy.array() is used to convert a list into a NumPy array. The second argument (float) can be used to set the type of array elements.
Task :
You are given a space separated list of numbers.
Your task is to print a reversed NumPy array with the element type float.
Input Format :
A single line of input containing space separated numbers
Output Format :
Print the reverse NumPy array with type float.
Sample Input :
1 2 3 4 -8 -10
Sample Output :
[-10. -8. 4. 3. 2. 1.]
Arrays in Python – HackerRank Solution
import numpy
def arrays(arr):
# complete this function
# use numpy.array
# Arrays in Python - Hacker Rank Solution START
return(numpy.array(arr[::-1], float))
# Arrays in Python - Hacker Rank Solution END
arr = input().strip().split(' ')
result = arrays(arr)
print(result)
