update insertion_sort

snippets/decapitalize.md

@@ -1,15 +1,15 @@
-### decapitalize
-
-Decapitalizes the first letter of a string.
-
-Decapitalizes the fist letter of the sring and then adds it with rest of the string. Omit the `upper_rest` parameter to keep the rest of the string intact, or set it to `true` to convert to uppercase.
-
-```python
-def decapitalize(string, upper_rest=False):
-    return str[:1].lower() + (str[1:].upper() if upper_rest else str[1:])
-```
-
-```python
-decapitalize('FooBar') # 'fooBar'
-decapitalize('FooBar', True) # 'fOOBAR'
+### decapitalize
+
+Decapitalizes the first letter of a string.
+
+Decapitalizes the fist letter of the sring and then adds it with rest of the string. Omit the `upper_rest` parameter to keep the rest of the string intact, or set it to `true` to convert to uppercase.
+
+```python
+def decapitalize(string, upper_rest=False):
+    return str[:1].lower() + (str[1:].upper() if upper_rest else str[1:])
+```
+
+```python
+decapitalize('FooBar') # 'fooBar'
+decapitalize('FooBar', True) # 'fOOBAR'
 ```