Print stderr in Python

In this article, users can learn what are the methods and ways to print stderr in python programming language. A standard error stream is referred to as stderr in Python. It is comparable to stdout in that it likewise prints straight to the console, but the key distinction is that it prints only errors. Import sys sys.stderr.write, for instance (“This is error msg”). 

Solution of print stderr in python

One of the best methods to print stderr is by using the print function. The main advantage of using this function is that it is the official function that is made for this purpose only. Another advantage of using this function is it avoids repetition. The identical syntax is as follows: 

# importing library
import sys

# calling eprint function
def eprint(*args, **kwargs):
    print(*args, file=sys.stderr, **kwargs)
eprint("foo", "bar", "baz", sep="---")

Output

Here we imported sys library of python because eprint is a function of this module only. Another method of doing the same is by using stderr write function. The syntax for the same is as follows:

# importing module
import sys

# calling the function
sys.stderr.write()

Output

A standard error stream is referred to as stderr in Python. It is comparable to stdout in that it likewise prints straight to the console, but the key distinction is that it prints only errors.

Also Read: Exact Value of Trig Functions