1 files changed, 24 insertions, 0 deletions
diff --git a/challenge-194/eric-cheung/python/ch-2.py b/challenge-194/eric-cheung/python/ch-2.py
new file mode 100755
index 0000000000..8d04f9bf27
--- /dev/null
+++ b/challenge-194/eric-cheung/python/ch-2.py
@@ -0,0 +1,24 @@
+
+## strInput = "abbc"  ## Example 1
+## strInput = "xyzyyxz"  ## Example 2
+strInput = "xzxz"  ## Example 3
+
+arrStr = [*strInput]
+arrUniqStr = list(set(arrStr))
+
+arrCount = []
+arrUniqCount = []
+
+for charLoop in arrUniqStr:
+    arrCount.append(arrStr.count(charLoop))
+
+## print (arrCount)
+
+arrUniqCount = list(set(arrCount))
+
+if len(arrUniqCount) == 1 or len(arrUniqCount) > 2:
+    print ("0")
+elif abs(arrUniqCount[0] - arrUniqCount[1]) == 1:
+    print ("1")
+else:
+    print ("0")