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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 applyUserPars_steps(configObj, input_dict, step='3a'):
 """ Apply logic to turn on use of user-specified output WCS if user provides any parameter on command-line regardless of how final_wcs was set. """

    step_kws = {'7a': 'final_wcs', '3a': 'driz_sep_wcs'}
    stepname = getSectionName(configObj,step)
    finalParDict = configObj[stepname].copy()
    del finalParDict[step_kws[step]]

    # interpret input_dict to find any parameters for this step specified by the user
    user_pars = {}
    for kw in finalParDict:
        if kw in input_dict: user_pars[kw] = input_dict[kw]
    if len(user_pars) > 0:
        configObj[stepname][step_kws[step]] = True