Added more docstrings for libraries

paramecio2/libraries/keyutils.py

@@ -5,15 +5,38 @@ from os import urandom
 # Functions for create random strings usando urandom
 
 def create_key_encrypt(n=10):
+    """ Simple function for create a random string
+    
+    Simple function for create a random string based in sha512
+    
+    Args:
+        n (int): size of string random bytes (view urandom function in Python3 Help)
+    """
     
     return sha512(urandom(n)).hexdigest()
 
 def create_key_encrypt_256(n=10):
     
+    """ Simple function for create a random string
+    
+    Simple function for create a random string based in sha256
+    
+    Args:
+        n (int): size of string random bytes (view urandom function in Python3 Help)
+    """
+    
     return sha256(urandom(n)).hexdigest()
 
 def create_key(n=10):
     
+    """ Simple function for create a random string
+    
+    Simple function for create a random string based in urandom function and base64 encoding
+    
+    Args:
+        n (int): size of string random bytes (view urandom function in Python3 Help)
+    """
+    
     rand_bytes=urandom(n)
     
     return b64encode(rand_bytes).decode('utf-8')[0:-2]