1 files changed, 26 insertions, 0 deletions
diff --git a/progs/a381.py b/progs/a381.py
new file mode 100644
index 0000000..40a9fae
--- /dev/null
+++ b/progs/a381.py
@@ -0,0 +1,26 @@
+NO_OF_CHARS = 256
+def str_to_list(string): 
+	temp = [] 
+	for x in string: 
+		temp.append(x) 
+	return temp 
+def lst_to_string(List): 
+	return ''.join(List) 
+def get_char_count_array(string): 
+	count = [0] * NO_OF_CHARS 
+	for i in string: 
+		count[ord(i)] += 1
+	return count 
+def remove_dirty_chars(string, second_string): 
+	count = get_char_count_array(second_string) 
+	ip_ind = 0
+	res_ind = 0
+	temp = '' 
+	str_list = str_to_list(string) 
+	while ip_ind != len(str_list): 
+		temp = str_list[ip_ind] 
+		if count[ord(temp)] == 0: 
+			str_list[res_ind] = str_list[ip_ind] 
+			res_ind += 1
+		ip_ind+=1
+	return lst_to_string(str_list[0:res_ind]) 
+\ No newline at end of file