What is the function of commas in Python
This article introduces what is the role of commas in Python, the content is very detailed, interested friends can refer to, I hope it can be helpful to you.
1. The use of commas in parameter passing
There is not much confusion in this case, which is the comma between parameters when parameters or arguments are passed.
For example, def abc (aformab) or abc (1mem2)
two。 The use of commas in type conversion-mainly tuple conversion
For example:
> axi11
> b = (a)
> > b
eleven
> b = (a,)
> > b
(11,)
> b = (apr 22)
> > b
(11, 22)
> b = (a, pr 22,)
> > b
(11, 22)
You can see that only when there is only one element in the b tuple, a comma is needed to convert to the tuple type.
3. The ingenious use of comma in output statement print
Example:
> for i in range (0pc5):
... Print i
...
0
one
two
three
four
> for i in range (0pc5):
... Print i
...
0 1 2 3 4
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