Fix word typos in comments

sorts/bead_sort.py

@@ -1,5 +1,5 @@
 """
-Bead sort only works for sequences of nonegative integers.
+Bead sort only works for sequences of non-negative integers.
 https://en.wikipedia.org/wiki/Bead_sort
 """
 

sorts/odd_even_transposition_single_threaded.py

@@ -1,7 +1,7 @@
 """
 Source: https://en.wikipedia.org/wiki/Odd%E2%80%93even_sort
 
-This is a non-parallelized implementation of odd-even transpostiion sort.
+This is a non-parallelized implementation of odd-even transposition sort.
 
 Normally the swaps in each set happen simultaneously, without that the algorithm
 is no better than bubble sort.

sorts/topological_sort.py

@@ -10,7 +10,7 @@
 
 
 def topological_sort(start, visited, sort):
-    """Perform topolical sort on a directed acyclic graph."""
+    """Perform topological sort on a directed acyclic graph."""
     current = start
     # add current to visited
     visited.append(current)

strings/prefix_function.py

@@ -14,7 +14,7 @@
 def prefix_function(input_string: str) -> list:
     """
     For the given string this function computes value for each index(i),
-    which represents the longest coincidence of prefix and sufix
+    which represents the longest coincidence of prefix and suffix
     for given substring (input_str[0...i])
 
     For the value of the first element the algorithm always returns 0
@@ -45,7 +45,7 @@ def prefix_function(input_string: str) -> list:
 def longest_prefix(input_str: str) -> int:
     """
     Prefix-function use case
-    Finding longest prefix which is sufix as well
+    Finding longest prefix which is suffix as well
 
     >>> longest_prefix("aabcdaabc")
     4