Python solutions

2 files changed, 100 insertions, 0 deletions

diff --git a/challenge-095/lubos-kolouch/python/ch-1.py b/challenge-095/lubos-kolouch/python/ch-1.py
new file mode 100644
index 0000000000..f6795dc1b2
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+++ b/challenge-095/lubos-kolouch/python/ch-1.py
@@ -0,0 +1,30 @@
+#!env python
+"""
+# ===============================================================================
+#
+#         FILE: ch_2.py
+#
+#        USAGE: ./ch_2.py
+#
+#  DESCRIPTION: Perl Weekly Challenge #095
+#               https://perlweeklychallenge.org/blog/perl-weekly-challenge-095/
+#               Palindrome Number
+#
+#       AUTHOR: Lubos Kolouch
+#      CREATED: 01/13/2021 02:39:16 PM
+#===============================================================================
+"""
+
+
+def is_palindrome(what: int):
+    """ test the palindrome """
+
+    # the 0+ is to avoid situations like 0000123
+    return str(what+0) == str(what+0)[::-1]
+
+
+def test_numbers():
+    """ Tests  """
+    assert is_palindrome(1221) == 1
+    assert is_palindrome(-101) == 0
+    assert is_palindrome(90) == 0
diff --git a/challenge-095/lubos-kolouch/python/ch-2.py b/challenge-095/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..8be6bda569
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+++ b/challenge-095/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,70 @@
+#!env python
+"""
+# ===============================================================================
+#
+#         FILE: ch_2.py
+#
+#        USAGE: ./ch_2.py
+#
+#  DESCRIPTION: Perl Weekly Challenge #095
+#               https://perlweeklychallenge.org/blog/perl-weekly-challenge-095/
+#               Demo Stack
+#
+#       AUTHOR: Lubos Kolouch
+#      CREATED: 01/13/2021 02:39:16 PM
+#===============================================================================
+"""
+
+
+class Stack:
+    """ Class to the stack """
+
+    def __init__(self):
+        self.stack = []
+
+    def push(self, value: int):
+        """ Demostrate push """
+        self.stack.insert(0, value)
+
+    @property
+    def pop(self):
+        """ Demonstrate pop """
+
+        try:
+            return self.stack.pop(0)
+        except IndexError:
+            return None
+
+    @property
+    def top(self):
+        """ Demonstrate top """
+
+        return self.stack[0]
+
+    @property
+    def stack_min(self):
+        """ Demostrate min """
+
+        return min(self.stack)
+
+
+def test_cases():
+    """ Test cases """
+
+    stack = Stack()
+    assert stack.pop == None
+
+    stack.push(2)
+    assert stack.top == 2
+
+    stack.push(-1)
+    assert stack.top == -1
+
+    stack.push(0)
+    assert stack.top == 0
+
+    assert stack.pop == 0
+    assert stack.top == -1
+
+    stack.push(0)
+    assert stack.stack_min == -1