Add Python solution to challenge 042

2 files changed, 53 insertions, 0 deletions

diff --git a/challenge-042/paulo-custodio/python/ch-1.py b/challenge-042/paulo-custodio/python/ch-1.py
new file mode 100644
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+++ b/challenge-042/paulo-custodio/python/ch-1.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+# Challenge 042
+#
+# TASK #1
+# Octal Number System
+# Write a script to print decimal number 0 to 50 in Octal Number System.
+#
+# For example:
+#
+# Decimal 0 = Octal 0
+# Decimal 1 = Octal 1
+# Decimal 2 = Octal 2
+# Decimal 3 = Octal 3
+# Decimal 4 = Octal 4
+# Decimal 5 = Octal 5
+# Decimal 6 = Octal 6
+# Decimal 7 = Octal 7
+# Decimal 8 = Octal 10
+# and so on.
+
+for n in range(50+1):
+    print("Decimal", n, "= Octal", oct(n)[2:])
diff --git a/challenge-042/paulo-custodio/python/ch-2.py b/challenge-042/paulo-custodio/python/ch-2.py
new file mode 100644
index 0000000000..30ca5ee826
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+++ b/challenge-042/paulo-custodio/python/ch-2.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+# Challenge 042
+#
+# TASK #2
+# Balanced Brackets
+# Write a script to generate a string with random number of ( and ) brackets.
+# Then make the script validate the string if it has balanced brackets.
+#
+# For example:
+#
+# () - OK
+# (()) - OK
+# )( - NOT OK
+# ())() - NOT OK
+
+import fileinput
+import re
+
+for line in fileinput.input():
+    str = line.rstrip()
+    print(f"{str} - ", end="")
+    while True:
+        str, n = re.subn(r"\(\)", "", str)
+        if n==0:
+            break
+    if str=="":
+        print("OK")
+    else:
+        print("NOT OK")