diff --git a/dynamic_programming/minimum_tickets_cost.py b/dynamic_programming/minimum_tickets_cost.py
index 261a5a7cf..d07056d92 100644
--- a/dynamic_programming/minimum_tickets_cost.py
+++ b/dynamic_programming/minimum_tickets_cost.py
@@ -112,12 +112,12 @@ def mincost_tickets(days: list[int], costs: list[int]) -> int:
             return 0
 
         if index not in days_set:
-            return dp(index + 1)
+            return dynamic_programming(index + 1)
 
         return min(
-            costs[0] + dp(index + 1),
-            costs[1] + dp(index + 7),
-            costs[2] + dp(index + 30),
+            costs[0] + dynamic_programming(index + 1),
+            costs[1] + dynamic_programming(index + 7),
+            costs[2] + dynamic_programming(index + 30),
         )
 
     return dynamic_programming(1)
diff --git a/other/check_strong_password.py b/other/check_strong_password.py
deleted file mode 100644
index 95bb327ad..000000000
--- a/other/check_strong_password.py
+++ /dev/null
@@ -1,47 +0,0 @@
-# This Will Check Whether A Given Password Is Strong Or Not
-# It Follows The Rule that Length Of Password Should Be At Least 8 Characters
-# And At Least 1 Lower, 1 Upper, 1 Number And 1 Special Character
-
-from string import ascii_lowercase, ascii_uppercase, digits, punctuation
-
-
-def strong_password_detector(password: str, min_length: int = 8) -> str:
-    """
-    >>> strong_password_detector('Hwea7$2!')
-    'This is a strong Password'
-
-    >>> strong_password_detector('Sh0r1')
-    'Your Password must be at least 8 characters long'
-
-    >>> strong_password_detector('Hello123')
-    'Password should contain UPPERCASE, lowercase, numbers, special characters'
-
-    >>> strong_password_detector('Hello1238udfhiaf038fajdvjjf!jaiuFhkqi1')
-    'This is a strong Password'
-
-    >>> strong_password_detector(0)
-    'Your Password must be at least 8 characters long'
-    """
-
-    if len(str(password)) < 8:
-        return "Your Password must be at least 8 characters long"
-
-    upper = any(char in ascii_uppercase for char in password)
-    lower = any(char in ascii_lowercase for char in password)
-    num = any(char in digits for char in password)
-    spec_char = any(char in punctuation for char in password)
-
-    if upper and lower and num and spec_char:
-        return "This is a strong Password"
-
-    else:
-        return (
-            "Password should contain UPPERCASE, lowercase, "
-            "numbers, special characters"
-        )
-
-
-if __name__ == "__main__":
-    import doctest
-
-    doctest.testmod()
diff --git a/other/password_generator.py b/other/password.py
similarity index 58%
rename from other/password_generator.py
rename to other/password.py
index 8f9d58a33..8f6833073 100644
--- a/other/password_generator.py
+++ b/other/password.py
@@ -1,11 +1,12 @@
-"""Password Generator allows you to generate a random password of length N."""
 import secrets
 from random import shuffle
-from string import ascii_letters, digits, punctuation
+from string import ascii_letters, ascii_lowercase, ascii_uppercase, digits, punctuation
 
 
 def password_generator(length: int = 8) -> str:
     """
+    Password Generator allows you to generate a random password of length N.
+
     >>> len(password_generator())
     8
     >>> len(password_generator(length=16))
@@ -62,6 +63,45 @@ def random_characters(chars_incl, i):
     pass  # Put your code here...
 
 
+# This Will Check Whether A Given Password Is Strong Or Not
+# It Follows The Rule that Length Of Password Should Be At Least 8 Characters
+# And At Least 1 Lower, 1 Upper, 1 Number And 1 Special Character
+def strong_password_detector(password: str, min_length: int = 8) -> str:
+    """
+    >>> strong_password_detector('Hwea7$2!')
+    'This is a strong Password'
+
+    >>> strong_password_detector('Sh0r1')
+    'Your Password must be at least 8 characters long'
+
+    >>> strong_password_detector('Hello123')
+    'Password should contain UPPERCASE, lowercase, numbers, special characters'
+
+    >>> strong_password_detector('Hello1238udfhiaf038fajdvjjf!jaiuFhkqi1')
+    'This is a strong Password'
+
+    >>> strong_password_detector('0')
+    'Your Password must be at least 8 characters long'
+    """
+
+    if len(password) < min_length:
+        return "Your Password must be at least 8 characters long"
+
+    upper = any(char in ascii_uppercase for char in password)
+    lower = any(char in ascii_lowercase for char in password)
+    num = any(char in digits for char in password)
+    spec_char = any(char in punctuation for char in password)
+
+    if upper and lower and num and spec_char:
+        return "This is a strong Password"
+
+    else:
+        return (
+            "Password should contain UPPERCASE, lowercase, "
+            "numbers, special characters"
+        )
+
+
 def main():
     length = int(input("Please indicate the max length of your password: ").strip())
     chars_incl = input(
diff --git a/requirements.txt b/requirements.txt
index 2e2782455..00f31b85e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 beautifulsoup4
-cython>=0.29.28  # For statsmodels on Python 3.11
 fake_useragent
 keras
 lxml