Removed spaces from top-level directory names.

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

73_Reverse/python/reverse.py

@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+import random
+import textwrap
+
+
+NUMCNT = 9  # How many numbers are we playing with?
+
+
+def play():
+    print('REVERSE'.center(72))
+    print('CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY'.center(72))
+    print()
+    print()
+    print('REVERSE -- A GAME OF SKILL')
+    print()
+
+    if not input('DO YOU WANT THE RULES? (yes/no) ').lower().startswith('n'):
+        rules()
+
+    while True:
+        game_loop()
+
+        if not input('TRY AGAIN? (yes/no) ').lower().startswith('y'):
+            return
+
+
+def game_loop():
+    """Play the main game."""
+    # Make a random list from 1 to NUMCNT
+    numbers = list(range(1, NUMCNT + 1))
+    random.shuffle(numbers)
+
+    # Print original list and start the game
+    print()
+    print('HERE WE GO ... THE LIST IS:')
+    print_list(numbers)
+
+    turns = 0
+    while True:
+        try:
+            howmany = int(input('HOW MANY SHALL I REVERSE? '))
+            assert howmany >= 0
+        except (ValueError, AssertionError):
+            continue
+
+        if howmany == 0:
+            return
+
+        if howmany > NUMCNT:
+            print('OOPS! WRONG! I CAN REVERSE AT MOST', NUMCNT)
+            continue
+
+        turns += 1
+
+        # Reverse as many items as requested.
+        newnums = numbers[0:howmany]
+        newnums.reverse()
+        newnums.extend(numbers[howmany:])
+        numbers = newnums
+
+        print_list(numbers)
+
+        # Check for a win
+        if all(numbers[i] == i + 1 for i in range(NUMCNT)):
+            print('YOU WON IT IN {} MOVES!'.format(turns))
+            print()
+            return
+
+
+def print_list(numbers):
+    """Print out the list"""
+    print(' '.join(map(str, numbers)))
+
+
+def rules():
+    """Print out the rules"""
+    help = textwrap.dedent("""
+        THIS IS THE GAME OF "REVERSE".  TO WIN, ALL YOU HAVE
+        TO DO IS ARRANGE A LIST OF NUMBERS (1 THROUGH {})
+        IN NUMERICAL ORDER FROM LEFT TO RIGHT.  TO MOVE, YOU
+        TELL ME HOW MANY NUMBERS (COUNTING FROM THE LEFT) TO
+        REVERSE.  FOR EXAMPLE, IF THE CURRENT LIST IS:
+
+        2 3 4 5 1 6 7 8 9
+
+        AND YOU REVERSE 4, THE RESULT WILL BE:
+
+        5 4 3 2 1 6 7 8 9
+
+        NOW IF YOU REVERSE 5, YOU WIN!
+
+        1 2 3 4 5 6 7 8 9
+
+        NO DOUBT YOU WILL LIKE THIS GAME, BUT
+        IF YOU WANT TO QUIT, REVERSE 0 (ZERO).
+        """.format(NUMCNT))
+    print(help)
+    print()
+
+
+if __name__ == '__main__':
+    try:
+        play()
+    except KeyboardInterrupt:
+        pass