From 8aadbc0da6025452b86d71f8587ad1bd4eeb18de Mon Sep 17 00:00:00 2001
From: Narender Kumar <narender.kumar@stud.th-deg.de>
Date: Sun, 15 Oct 2023 18:13:19 +0200
Subject: [PATCH] 22103962
---
2.7 Exercises.py | 18 ++++++++++++++++--
4_9_Exercises/Question 1.py | 13 +++++++++++++
2 files changed, 29 insertions(+), 2 deletions(-)
create mode 100644 4_9_Exercises/Question 1.py
diff --git a/2.7 Exercises.py b/2.7 Exercises.py
index 96485ae..f9ca9f9 100644
--- a/2.7 Exercises.py
+++ b/2.7 Exercises.py
@@ -3,6 +3,21 @@ def rotateR(val):
return val[-1] + val[:-1] if len(val) > 0 else None
+# question 2
+def rotateL(val):
+ return val[:-1] + val[0] if len(val) > 0 else None
+
+
+# question 3
+"""
+The provided functions rotateR and rotateL are designed to work with both strings and lists.
+There's no issue with their functionality for either data type.
+example rotateR using strings and lists -- rotateR("abc") == "cab" and rotateR([1,2,3,4]) == [4,1,2,3]
+example rotateL using strings and lists -- rotateL("abc") == "bca" and rotateL([1,2,3,4 ]) == [2,3,4,1]
+
+"""
+
+
# question 4
def rotateRx(val):
val[:] = [val[-1]] + val[:-1]
@@ -16,9 +31,8 @@ def rotateRx_modified(val):
# So the only way to achieve this would be to return a value and assign it back.
pass
-# question 6
-
+# question 6
def rotateR2(val):
return rotateR(rotateR(val))
diff --git a/4_9_Exercises/Question 1.py b/4_9_Exercises/Question 1.py
new file mode 100644
index 0000000..dbc1d56
--- /dev/null
+++ b/4_9_Exercises/Question 1.py
@@ -0,0 +1,13 @@
+def reverse_list_or_string(input_list_or_string):
+ if len(input_list_or_string) == 0:
+ return input_list_or_string
+ else:
+ return reverse_list_or_string(input_list_or_string[1:]) + [input_list_or_string[0]]
+
+# Example usage for reversing a list
+my_list = [1, 2, 3, 4, 5]
+print(reverse_list_or_string(my_list)) # Output: [5, 4, 3, 2, 1]
+
+# Example usage for reversing a string
+my_string = "Hello, World!"
+print(''.join(reverse_list_or_string(list(my_string)))) # Output: "!dlroW ,olleH"
--
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