why does print 2++3 print 5 in python?

Question

I am new to python and I read that there is no ++ operator in Python but I am not able to understand the below code.

>>>print (2++3)
>>>5

Answer 1

+ and - act as unary as well as binary operators. So,

• a ++ b is same as a + (+b)
• a -+ b is same as a - (+b)
• a -- b is same as a - (-b)
• a +- b is same as a + (-b)

As can be seen below

>>> 2++3
5
>>> 2-+3
-1
>>> 2--3
5
>>> 2+-3
-1

Answer 2

This is not the ++ operator. Your code is interpreted as follows:

2 + (+3)

Now since +3 is 3, the final result is 5. For fun, try the following:

• 2++++++++++++++3
• 2+++++++++++++++++++++-8

See Expressions for details.