Updated BasicDataTypes solutions

Author: arsho

BasicDataTypes/Findingthepercentage.py

@@ -4,6 +4,7 @@
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
+Updated   : 06 February 2023
 Problem   : https://www.hackerrank.com/challenges/finding-the-percentage/problem
 """
 if __name__ == '__main__':
@@ -14,5 +15,6 @@
         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))
+    avg_score = sum(student_marks[query_name]) / len(student_marks[query_name])
+    print(f"{avg_score:.2f}")
+

BasicDataTypes/ListComprehensions.py

@@ -11,6 +11,6 @@
     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]
+    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

@@ -4,16 +4,16 @@
 Domain    : Python
 Author    : Ahmedur Rahman Shovon
 Created   : 06 July 2020
+Updated   : 06 February 2023
 Problem   : https://www.hackerrank.com/challenges/python-lists/problem
 """
 
 if __name__ == '__main__':
     N = int(input())
     ar = []
-    for i in range(0, N):
-        tmp_str = input()
-        tmp_str_ar = tmp_str.strip().split(" ")
-        cmd = tmp_str_ar[0]
+    for i in range(N):
+        command_args = input().strip().split(" ")
+        cmd = command_args[0]
         if cmd == "print":
             print(ar)
         elif cmd == "sort":
@@ -22,19 +22,13 @@
             ar.reverse()
         elif cmd == "pop":
             ar.pop()
-        elif cmd == "count":
-            val = int(tmp_str_ar[1])
-            ar.count(val)
-        elif cmd == "index":
-            val = int(tmp_str_ar[1])
-            ar.index(val)
         elif cmd == "remove":
-            val = int(tmp_str_ar[1])
+            val = int(command_args[1])
             ar.remove(val)
         elif cmd == "append":
-            val = int(tmp_str_ar[1])
+            val = int(command_args[1])
             ar.append(val)
         elif cmd == "insert":
-            pos = int(tmp_str_ar[1])
-            val = int(tmp_str_ar[2])
+            pos = int(command_args[1])
+            val = int(command_args[2])
             ar.insert(pos, val)

BasicDataTypes/NestedLists.py

@@ -16,6 +16,6 @@
         students.append(student)
         scores.append(score)
     second_min_score = sorted(set(scores))[1]
-    student_names = sorted(
-        [student[0] for student in students if student[1] == second_min_score])
+    student_names = sorted([student[0] for student in students
+                            if student[1] == second_min_score])
     print("\n".join(student_names))