Improve example

Author: gjbex

Diff for: source-code/command-line-arguments/Fire/sayer.py

@@ -4,30 +4,62 @@
 
 
 class Hello:
+    '''Hello group of commands, there is a to and a everyone
+    command
+    '''
 
     def __init__(self, name):
         self.name = name
 
-    def say(self):
-        return f'Hello {self.name}'
+    def to(self, name=None):
+        if name is None:
+            if self.name is None:
+                return 'No one to say hello to'
+            else:
+                return f'Hello to {self.name}'
+        else:
+            return f'Hello {name}'
+
+    def everyone(self):
+        return 'hello to everyone'
+
 
 class Bye:
+    '''Bye group of commands, there is a to and a no_one
+    command
+    '''
 
     def __init__(self, name):
         self.name = name
 
-    def say(self):
-        return f'Bye {self.name}'
+    def to(self, name=None):
+        if name is None:
+            if self.name is None:
+                return 'No one to say bye to'
+            else:
+                return f'Bye to {self.name}'
+        else:
+            return f'Bye {name}'
+
+    def no_one(self):
+        return f'Bye to no one'
 
 
 class Sayer:
+    '''Class to make the hello and bye groups available, it
+    also has its own to command, as well as the info command
+    '''
 
-    def __init__(self, hello_name, bye_name):
+    def __init__(self, hello_name=None, bye_name=None):
         self.hello = Hello(hello_name)
         self.bye =  Bye(bye_name)
 
-    def say(self):
-        return f'Bla, bla'
+    def to(self):
+        return 'Do you want to say hello or bye'
+
+    def info(self):
+        return 'This is version 0.1beta'
+
 
 if __name__ == '__main__':
     fire.Fire(Sayer)