Re: What is the difference between these two? (Assigning functions to variables)

[Max Nathaniel Ho]

On Wednesday, November 5, 2014 2:00:08 PM UTC+8, Cameron Simpson wrote:
> On 04Nov2014 19:17, Max Nathaniel Ho  wrote:
> >Just to be clear, I was referring to these two lines
> >
> >greet = compose_greet_func()
> >
> >greet_someone = greet
> 
> Please don't top-post. Thanks.
> 
> Your first assignment:
> 
>greet = compose_greet_func()
> 
> _calls_ (runs) the compose_greet_func and assigns its return value to greet.
> 
> Your second assignment:
> 
>greet_someone = greet
> 
> assigns the current value of "greet", whatever that is, to "greet_someone". 
> No 
> function is called.
> 
> Cheers,
> Cameron Simpson 

Apologies about the top posting.

Ahh okay, thank you for your explanation
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Re: What is the difference between these two? (Assigning functions to variables)

[Max Nathaniel Ho]

Just to be clear, I was referring to these two lines

greet = compose_greet_func() 

greet_someone = greet 

On Wednesday, November 5, 2014 11:15:46 AM UTC+8, Max Nathaniel Ho wrote:
> Example 1
> 
> def compose_greet_func():
> def get_message():
> return "Hello there!"
> 
> return get_message
> 
> greet = compose_greet_func()
> print greet()
> 
> 
> Example 2 
> 
> def greet(name):
> return "hello "+name
> 
> greet_someone = greet
> print greet_someone("John"
> 
> In Example 1, the function compoe_greet_func is assigned to the variable 
> greet, and () is included at the end of the function.
> 
> However, in Example 2, the function greet is assigned to the variable 
> greet_someone but () is excluded at the end of the function.
> 
> Does the () matter when assigning functions to variables? 
> 
> Thank you!
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What is the difference between these two? (Assigning functions to variables)

[Max Nathaniel Ho]

Example 1

def compose_greet_func():
def get_message():
return "Hello there!"

return get_message

greet = compose_greet_func()
print greet()


Example 2 

def greet(name):
return "hello "+name

greet_someone = greet
print greet_someone("John"

In Example 1, the function compoe_greet_func is assigned to the variable greet, 
and () is included at the end of the function.

However, in Example 2, the function greet is assigned to the variable 
greet_someone but () is excluded at the end of the function.

Does the () matter when assigning functions to variables? 

Thank you!
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