Solution for Issue #3, mutations, in python

python/intermediate/mutations_bpbrum.py

@@ -0,0 +1,38 @@
+def mutations(strings_list):
+    first_list = [letter for letter in strings_list[0].lower()]
+    second_str = strings_list[1].lower()
+    for letter in second_str:
+        if letter not in first_list:
+            return False
+        else:
+            first_list.remove(letter)
+    return True
+
+def testing(tests, expected_output):
+    assert len(tests) == len(expected_output)
+    outputs = list()
+    fails = 0
+    for test in tests:
+        outputs.append(mutations(test))
+
+    for index, output in enumerate(outputs):
+        try:
+            assert output == expected_output[index]
+        except AssertionError:
+            print("Error in test {}".format(index))
+            print("## Output: {}".format(output))
+            print("## Expected: {}".format(expected_output[index]))
+            fails += 1
+
+    print("\n###############################################")
+    print("Ran {} tests.".format(len(tests)))
+    if fails > 0:
+        print("FAILED")
+        print("{} failures".format(fails))
+    else:
+        print("OK")
+
+if __name__ == "__main__":
+    tests = [["hel", "heel"], ["hello", "Hello"], ["hello", "hey"], ["Alien", "line"]]
+    expected_output = [False, True, False, True]
+    testing(tests, expected_output)