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+#!/usr/bin/env python
+
+'''
+
+AUTHOR: Robert DiCicco
+
+DATE: 2022-11-28
+
+Challenge 193 Binary String ( Python )
+
+ 
+
+Write a script to find all possible binary numbers of size $n.
+
+Example 1
+
+ 
+
+Input: $n = 2
+
+Output: 00, 11, 01, 10
+
+ 
+
+Example 2
+
+ 
+
+Input: $n = 3
+
+Output: 000, 001, 010, 100, 111, 110, 101, 011
+
+------------------------------------------------------
+
+SAMPLE OUTPUT
+
+python .\BinaryString.py
+
+Input: $n =  2
+
+Output:  00 01 10 11
+
+ 
+
+Input: $n =  3
+
+Output:  000 001 010 011 100 101 110 111
+
+ 
+
+Input: $n =  4
+
+Output:  0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111
+
+'''
+
+ 
+
+arr = [2,3,4]
+
+ 
+
+for p in arr:
+
+  print("Input: $n = ",p)
+
+  rng = range(2**p)
+
+  print("Output: ", end=" ")
+
+  for n in rng :
+
+    pw = "0" + str(p)
+
+    print("{:{width}b}".format(n,width=pw), end=" ")
+
+  print("\n")