updated set solutions

Author: arsho

BasicDataTypes/Findingthepercentage.py

@@ -1,11 +1,11 @@
-'''
+"""
 Title     : Finding the percentage
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/finding-the-percentage/problem
-'''
+"""
 if __name__ == '__main__':
     n = int(input())
     student_marks = {}
@@ -14,5 +14,5 @@
         scores = list(map(float, line))
         student_marks[name] = scores
     query_name = input()
-    res = sum(student_marks[query_name])/len(student_marks[name])
-    print("{:.2f}".format(res))
+    res = sum(student_marks[query_name]) / len(student_marks[name])
+    print("{:.2f}".format(res))

BasicDataTypes/FindtheSecondLargestNumber.py

@@ -1,11 +1,11 @@
-'''
+"""
 Title     : Find the Runner-Up Score!
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 15 July 2016
 Problem   : https://www.hackerrank.com/challenges/find-second-maximum-number-in-a-list/problem
-'''
+"""
 if __name__ == '__main__':
     n = int(input())
     arr = map(int, input().split())

BasicDataTypes/ListComprehensions.py

@@ -1,15 +1,16 @@
-'''
+"""
 Title     : List Comprehensions
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/list-comprehensions/problem
-'''
+"""
 if __name__ == '__main__':
     x = int(input())
     y = int(input())
     z = int(input())
     n = int(input())
-    ar = [[i, j, k] for i in range(x+1) for j in range(y+1) for k in range(z+1) if i+j+k!=n]
-    print(ar)
+    ar = [[i, j, k] for i in range(x + 1) for j in range(y + 1) for k in
+          range(z + 1) if i + j + k != n]
+    print(ar)

BasicDataTypes/Lists.py

@@ -1,11 +1,11 @@
-'''
+"""
 Title     : Lists
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/python-lists/problem
-'''
+"""
 
 if __name__ == '__main__':
     N = int(input())

BasicDataTypes/NestedLists.py

@@ -1,11 +1,11 @@
-'''
+"""
 Title     : Nested Lists
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/nested-list/problem
-'''
+"""
 if __name__ == '__main__':
     students = []
     scores = []
@@ -16,5 +16,6 @@
         students.append(student)
         scores.append(score)
     second_min_score = sorted(set(scores))[1]
-    filtered_student_names = sorted([student[0] for student in students if student[1] == second_min_score])
-    print("\n".join(filtered_student_names))
+    student_names = sorted(
+        [student[0] for student in students if student[1] == second_min_score])
+    print("\n".join(student_names))

BasicDataTypes/Tuples.py

@@ -1,13 +1,13 @@
-'''
+"""
 Title     : Tuples
 Subdomain : Data Types
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/python-tuples/problem
-'''
+"""
 if __name__ == '__main__':
     n = int(input())
     integer_list = map(int, input().split())
     t = tuple(integer_list)
-    print(hash(t))
+    print(hash(t))

Introduction/ArithmeticOperators.py

@@ -1,14 +1,14 @@
-'''
+"""
 Title     : Arithmetic Operators
 Subdomain : Introduction
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 15 April 2020
 Problem   : https://www.hackerrank.com/challenges/python-arithmetic-operators/problem
-'''
+"""
 if __name__ == '__main__':
     a = int(input())
     b = int(input())
-    print(a+b)
-    print(a-b)
-    print(a*b)
+    print(a + b)
+    print(a - b)
+    print(a * b)

Introduction/Loops.py

@@ -1,13 +1,12 @@
-'''
+"""
 Title     : Loops
 Subdomain : Introduction
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 13 May 2020
 Problem   : https://www.hackerrank.com/challenges/python-loops/problem
-'''
+"""
 if __name__ == '__main__':
     n = int(input())
     for i in range(n):
-        print(i*i)
-
+        print(i * i)

Introduction/PrintFunction.py

@@ -1,17 +1,17 @@
-'''
+"""
 Title     : Print Function
 Subdomain : Introduction
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/python-print/problem
-'''
+"""
 
 if __name__ == '__main__':
     n = int(input())
-    ar=range(1,n+1)
+    ar = range(1, n + 1)
     for i in ar:
-        print(i,end="")
+        print(i, end="")
 
 """
 Alternate solution:

Introduction/PythonDivision.py

@@ -1,14 +1,13 @@
-'''
+"""
 Title     : Python: Division
 Subdomain : Introduction
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
 Problem   : https://www.hackerrank.com/challenges/python-division/problem
-'''
+"""
 if __name__ == '__main__':
     a = int(input())
     b = int(input())
-    print(a//b)
-    print(a/b)
-    
+    print(a // b)
+    print(a / b)