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diff --git a/py03/ex2/ft_coordinate_system.py b/py03/ex2/ft_coordinate_system.py
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+++ b/py03/ex2/ft_coordinate_system.py
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+#!/usr/bin/env python3
+
+import math
+
+
+class InvalidSyntax(Exception):
+    def __init__(self, message="Invalid syntax"):
+        self.message = message
+        super().__init__(self.message)
+
+
+def get_player_pos():
+    while True:
+        try:
+            pos = input("Enter new coordinates"
+                        "as floats in format 'x, y, z': ")
+            split_pos = pos.split(',')
+            if len(split_pos) != 3:
+                raise InvalidSyntax()
+            try:
+                for element in split_pos:
+                    float(element)
+            except ValueError:
+                print(f"Error on parameter '{element}':"
+                      f"could not convert string to float '{element}'")
+            # break because of True loop
+            else:
+                break
+        except InvalidSyntax as err:
+            print(err)
+    return pos
+
+
+def print_info_pos_one(pos):
+    split_pos: tuple[float, ...] = tuple((float(x) for x in pos.split(",")))
+    (x1, y1, z1) = split_pos
+    print(f"It includes: X={x1}, Y={y1}, Z={z1}")
+    x2 = y2 = z2 = 0
+    distance_to_center = math.sqrt((x2-x1)**2 + (y2-y1)**2 + (z2-z1)**2)
+    print(f"Distance to the center: {round(distance_to_center, 4)}")
+
+
+def compute_distance_btw_pos(str_one, str_two):
+    pos_one: tuple[float, ...] = tuple((float(x) for x in str_one.split(",")))
+    (x1, y1, z1) = pos_one
+    pos_two: tuple[float, ...] = tuple((float(x) for x in str_two.split(",")))
+    (x2, y2, z2) = pos_two
+    distance_btw_two = math.sqrt((x2-x1)**2 + (y2-y1)**2 + (z2-z1)**2)
+    print(f"Distance between the two sets of coordinates: "
+          f"{round(distance_btw_two, 4)}")
+
+
+if __name__ == "__main__":
+    print("=== Game Coordinate System ===")
+    pos_one = get_player_pos()
+    print(f"Got a first tuple: ({pos_one})")
+    print_info_pos_one(pos_one)
+    print()
+    print("Get a second set of coordinates")
+    pos_two = get_player_pos()
+    compute_distance_btw_pos(pos_one, pos_two)