Create Extracting_Middle_Chars.py

Author: Matt-Stammers

More Complex Functions/Extracting_Middle_Chars.py

@@ -0,0 +1,35 @@
+# Extracting middle characters from a string can achieved any number of ways:
+
+# an ugly way to do it:
+
+def get_middle(s):
+    i = 0
+    for x in s:
+        i += 1
+    print(i)
+    middle = (i/2)
+    print(middle)
+    if i % 2 == 0:
+        return "".join(s[middle-1]+s[middle])
+    else:
+        return s[middle]
+        
+# This can be cleverly abbreviated as follows;
+
+def get_middle(s):
+   return s[(len(s)-1)/2:len(s)/2+1]
+   
+# or one can use divmod:
+
+def get_middle(s):
+    index, odd = divmod(len(s), 2)
+    return s[index] if odd else s[index - 1:index + 1]
+    
+# or:
+
+def get_middle(s):
+    strLen = len(s)
+    if(strLen%2==0):#even
+        return s[strLen/2-1:strLen/2+1]
+    else:#odd
+        return s[strLen/2]