Answer:
user_name = input("input user name: ")
print(len(user_name))
Explanation:
input - input function in python
len - length of value
print - print data
A logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more binary inputs and produces a single binary output.
I believe it would be inserting a watermark (B)
The wheel (: would be the correct answer
Chrome OS is an open source OS developed by Google.