Removed spaces from top-level directory names.

Spaces tend to cause annoyances in a Unix-style shell environment.
This change fixes that.

86_Target/python/README.md

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+Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
+
+Conversion to [Python](https://www.python.org/about/)

86_Target/python/target.py

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+"""
+TARGET
+
+Weapon targeting simulation / 3d trigonometry practice
+
+Ported by Dave LeCompte
+"""
+
+import collections
+import math
+import random
+
+PAGE_WIDTH = 64
+
+
+def print_centered(msg):
+    spaces = " " * ((PAGE_WIDTH - len(msg)) // 2)
+    print(spaces + msg)
+
+
+def print_header(title):
+    print_centered(title)
+    print_centered("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY")
+    print()
+    print()
+    print()
+
+
+def print_instructions():
+    print("YOU ARE THE WEAPONS OFFICER ON THE STARSHIP ENTERPRISE")
+    print("AND THIS IS A TEST TO SEE HOW ACCURATE A SHOT YOU")
+    print("ARE IN A THREE-DIMENSIONAL RANGE.  YOU WILL BE TOLD")
+    print("THE RADIAN OFFSET FOR THE X AND Z AXES, THE LOCATION")
+    print("OF THE TARGET IN THREE DIMENSIONAL RECTANGULAR COORDINATES,")
+    print("THE APPROXIMATE NUMBER OF DEGREES FROM THE X AND Z")
+    print("AXES, AND THE APPROXIMATE DISTANCE TO THE TARGET.")
+    print("YOU WILL THEN PROCEEED TO SHOOT AT THE TARGET UNTIL IT IS")
+    print("DESTROYED!")
+    print()
+    print("GOOD LUCK!!")
+    print()
+    print()
+
+
+def prompt():
+    while True:
+        response = input("INPUT ANGLE DEVIATION FROM X, DEVIATION FROM Z, DISTANCE? ")
+        if not ("," in response):
+            continue
+
+        terms = response.split(",")
+        if len(terms) != 3:
+            continue
+
+        return [float(t) for t in terms]
+
+
+def next_target():
+    for i in range(5):
+        print()
+    print("NEXT TARGET...")
+    print()
+
+
+def describe_miss(x, y, z, x1, y1, z1, d):
+    x2 = x1 - x
+    y2 = y1 - y
+    z2 = z1 - z
+
+    if x2 < 0:
+        print(f"SHOT BEHIND TARGET {-x2:.2f} KILOMETERS.")
+    else:
+        print(f"SHOT IN FRONT OF TARGET {x2:.2f} KILOMETERS.")
+
+    if y2 < 0:
+        print(f"SHOT TO RIGHT OF TARGET {-y2:.2f} KILOMETERS.")
+    else:
+        print(f"SHOT TO LEFT OF TARGET {y2:.2f} KILOMETERS.")
+
+    if z2 < 0:
+        print(f"SHOT BELOW TARGET {-z2:.2f} KILOMETERS.")
+    else:
+        print(f"SHOT ABOVE TARGET {z2:.2f} KILOMETERS.")
+
+    print(f"APPROX POSITION OF EXPLOSION:  X={x1:.4f}   Y={y1:.4f}   Z={z1:.4f}")
+    print(f"     DISTANCE FROM TARGET = {d:.2f}")
+    print()
+    print()
+    print()
+
+
+def do_shot_loop(p1, x, y, z):
+    shot_count = 0
+    while True:
+        shot_count += 1
+        if shot_count == 1:
+            p3 = int(p1 * 0.05) * 20
+        elif shot_count == 2:
+            p3 = int(p1 * 0.1) * 10
+        elif shot_count == 3:
+            p3 = int(p1 * 0.5) * 2
+        elif shot_count == 4:
+            p3 = int(p1)
+        else:
+            p3 = p1
+
+        if p3 == int(p3):
+            print(f"     ESTIMATED DISTANCE: {p3}")
+        else:
+            print(f"     ESTIMATED DISTANCE: {p3:.2f}")
+        print()
+        a1, b1, p2 = prompt()
+
+        if p2 < 20:
+            print("YOU BLEW YOURSELF UP!!")
+            return
+
+        a1 = math.radians(a1)
+        b1 = math.radians(b1)
+        show_radians(a1, b1)
+
+        x1 = p2 * math.sin(b1) * math.cos(a1)
+        y1 = p2 * math.sin(b1) * math.sin(a1)
+        z1 = p2 * math.cos(b1)
+
+        distance = math.sqrt((x1 - x) ** 2 + (y1 - y) ** 2 + (z1 - z) ** 2)
+
+        if distance <= 20:
+            print()
+            print(" * * * HIT * * *   TARGET IS NON FUNCTIONAL")
+            print()
+            print(f"DISTANCE OF EXPLOSION FROM TARGET WAS {d:.4f} KILOMETERS")
+            print()
+            print(f"MISSION ACCOMPLISHED IN {r} SHOTS.")
+
+            return
+        else:
+            describe_miss(x, y, z, x1, y1, z1, distance)
+
+
+def show_radians(a, b):
+    print(f"RADIANS FROM X AXIS = {a:.4f}   FROM Z AXIS = {b:.4f}")
+
+
+def play_game():
+    while True:
+        a = random.uniform(0, 2 * math.pi)  # random angle
+        b = random.uniform(0, 2 * math.pi)  # random angle
+
+        show_radians(a, b)
+
+        p1 = random.uniform(0, 100000) + random.uniform(0, 1)
+        x = math.sin(b) * math.cos(a) * p1
+        y = math.sin(b) * math.sin(a) * p1
+        z = math.cos(b) * p1
+        print(
+            f"TARGET SIGHTED: APPROXIMATE COORDINATES:  X={x:.1f}  Y={y:.1f}  Z={z:.1f}"
+        )
+
+        do_shot_loop(p1, x, y, z)
+        next_target()
+
+
+def main():
+    print_header("TARGET")
+    print_instructions()
+
+    play_game()
+
+
+if __name__ == "__main__":
+    main()