From d3fd7857e960203254f99cab145967e80755f4fe Mon Sep 17 00:00:00 2001
From: Sarthak Joshi <100042684+Craniace@users.noreply.github.com>
Date: Fri, 31 Oct 2025 23:36:53 +0530
Subject: [PATCH 1/2] Create bianry_to_excessthree.py

---
 conversions/bianry_to_excessthree.py | 30 ++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 conversions/bianry_to_excessthree.py

diff --git a/conversions/bianry_to_excessthree.py b/conversions/bianry_to_excessthree.py
new file mode 100644
index 000000000000..a2397f9797b3
--- /dev/null
+++ b/conversions/bianry_to_excessthree.py
@@ -0,0 +1,30 @@
+def binary_to_excess3(binary_str: str) -> str:
+    """
+    Convert a binary number (as a string) to its Excess-3 code.
+
+    Args:
+        binary_str (str): Binary number as a string (e.g., "1010").
+
+    Returns:
+        str: Excess-3 code as a binary string.
+
+    Example:
+        >>> binary_to_excess3("1010")
+        '1101'
+    """
+    # Convert binary to decimal
+    decimal_value = int(binary_str, 2)
+
+    # Add 3 (Excess-3 encoding)
+    excess3_value = decimal_value + 3
+
+    # Convert back to 4-bit binary
+    excess3_binary = format(excess3_value, '04b')
+
+    return excess3_binary
+
+
+if __name__ == "__main__":
+    binary_input = input("Enter a 4-bit binary number: ")
+    excess3_output = binary_to_excess3(binary_input)
+    print(f"Excess-3 code of {binary_input} is: {excess3_output}")

From 5ccc7319af713e728e31f0ffce9cace76f47b768 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Fri, 31 Oct 2025 18:09:08 +0000
Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 conversions/bianry_to_excessthree.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/conversions/bianry_to_excessthree.py b/conversions/bianry_to_excessthree.py
index a2397f9797b3..58a10501f421 100644
--- a/conversions/bianry_to_excessthree.py
+++ b/conversions/bianry_to_excessthree.py
@@ -19,7 +19,7 @@ def binary_to_excess3(binary_str: str) -> str:
     excess3_value = decimal_value + 3
 
     # Convert back to 4-bit binary
-    excess3_binary = format(excess3_value, '04b')
+    excess3_binary = format(excess3_value, "04b")
 
     return excess3_binary