sgreen solutions to challenge 323

1 files changed, 33 insertions, 0 deletions

diff --git a/challenge-323/sgreen/python/ch-1.py b/challenge-323/sgreen/python/ch-1.py
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+++ b/challenge-323/sgreen/python/ch-1.py
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+#!/usr/bin/env python3
+
+import sys
+
+
+def increment_decrement(operations: list) -> int:
+    """
+    This function takes a list of strings representing increment and decrement operations
+    on a variable `x` initialized to 0. It returns the final value of `x` after applying
+    all operations in the list.
+    :param operations: List of strings, each representing an operation on `x`
+    :return: Final value of `x` after all operations
+    """
+
+    counter = 0
+    for operation in operations:
+        if operation == "x++" or operation == "++x":
+            counter += 1
+        elif operation == "x--" or operation == "--x":
+            counter -= 1
+        else:
+            raise ValueError(f"Unknown operation: {operation}")
+
+    return counter
+
+
+def main():
+    result = increment_decrement(sys.argv[1:])
+    print(result)
+
+
+if __name__ == '__main__':
+    main()