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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def bash_echo_warmer(n):
 """A very basic example of how to create n additional tasks. This is a warmer function with randomly delayed effects on the bash_echo_metric and random task lengths to make the metric less predictable """

    import subprocess
    import random
    cmd = (
        'set -o pipefail '
        " ; sleep %s "
        " ; sh -c 'echo from bash: started relay launcher task && sleep %s'"
    )
    for i in range(n):
        subprocess.Popen(
            cmd % ((1 + random.random()) * 1, (1 + random.random()) * 4),
            shell=True, stdout=subprocess.PIPE, executable='bash')