Power and Mod Power in Python | HackerRank Programming Solutions | HackerRank Python Solutions

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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 – Power and Mod Power in Python – HackerRank Solution

Power and Mod Power in Python – HackerRank Solution

Problem:

So far, we have only heard of Python’s powers. Now, we will witness them!
Powers or exponents in Python can be calculated using the built-in power function. Call the power function as a^b shown below:

>>> pow(a,b) 

or

>>> a**b

It’s also possible to calculate a^b mod m

>>> pow(a,b,m) 

This is very helpful in computations where you have to print the resultant % mod.
Note: Here, a and b can be floats or negatives, but, if a third argument is present, b cannot be negative.
Note: Python has a math module that has its own pow(). It takes two arguments and returns a float. Frankly speaking, we will never use math.pow().

Task :

You are given three integers: a, b, and m, respectively. Print two lines.
The first line should print the result of pow(a,b). The second line should print the result of pow(a,b,m).

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Input Format :

The first line contains a, the second line contains b, and the third line contains m.

Constraints :

• 1 <= a <= 10
• 1 <= b <= 10
• 2 <= m <= 1000

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Sample Input :

3
4
5

Sample Output :

81
1

Power and Mod Power in Python – HackerRank Solution

# Enter your code here. Read input from STDIN. Print output to STDOUT

a, b, m = [int(input()) for _ in range(3)]
print(pow(a, b), pow(a, b, m), sep='\n')