def read_and_write(source, target): """Takes source file and target file, reads data from source file and is processed by iscommand function and written to target file.""" with open(source) as src: with open(target, "a") as tar: for line in src: contents = line.split() iscommand(contents, tar)

def read_and_write(source, target):
    """Takes source file and target file, reads data from source file and is processed by iscommand function and written to target file."""
    
    with open(source) as src:
        with open(target, "a") as tar:
            for line in src:
                contents = line.split()
               
                
                iscommand(contents, tar)