Merge pull request #5370 from pauloscustodio/devel

Devel

1 files changed, 26 insertions, 0 deletions

diff --git a/challenge-027/paulo-custodio/python/ch-2.py b/challenge-027/paulo-custodio/python/ch-2.py
new file mode 100644
index 0000000000..99fd57554b
--- /dev/null
+++ b/challenge-027/paulo-custodio/python/ch-2.py
@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+
+# Challenge 027
+#
+# Task #2
+# Write a script that allows you to capture/display historical data. It could
+# be an object or a scalar. For example
+#
+# my $x = 10; $x = 20; $x -= 5;
+#
+# After the above operations, it should list $x historical value in order.
+
+class LoggingScalar:
+    def __init__(self, value):
+        self.values = [value]
+    def set(self, value):
+        self.values.append(value)
+    def get(self):
+        return self.values[-1]
+    def show_hist(self):
+        print(" ".join([str(x) for x in self.values]))
+
+x = LoggingScalar(10)
+x.set(20)
+x.set(x.get()-5)
+x.show_hist()