Added isPandigital function

StringAlgorithms.py

@@ -1,7 +1,7 @@
 #Python/pyClasses/StringAlgorithms.py
 #Matthew Ellison
 # Created: 07-21-21
-#Modified: 07-21-21
+#Modified: 10-11-21
 #This file contains my library of string functions
 """
 	Copyright (C) 2021  Matthew Ellison
@@ -59,3 +59,24 @@ def isPalindrome(str: str) -> bool:
 		return True
 	else:
 		return False
+
+#Returns true if the string passed to it is a pandigital
+def isPandigitalFull(numStr: str, bottom: int, top: int) -> bool:
+	#Return false if top < bottom
+	if(top < bottom):
+		return False
+
+	#Return false if the wrong number of characters are in the string
+	if(len(numStr) != (top - bottom + 1)):
+		return False
+
+	#Make sure that all of the needed characters are in the string exactly one time
+	for cnt in range(bottom, top):
+		#Make sure there is exactly one of this number contained in the string
+		if(numStr.count(str(cnt)) != 1):
+			return False
+
+	#If the function has reached this part it has passed all of the falsifying tests
+	return True
+def isPandigital(str: str) -> bool:
+	return isPandigitalFull(str, 1, 9)