def stripFile(oldFile, newFile):

    '''remove the space or Tab or enter in a file, and output a new file in the same folder'''

    f = open(oldFile, 'r+', encoding='utf8')

    newf = open(newFile, 'w',encoding='utf8')

    for eachline in f.readlines():

        newStr = eachline.replace(" ", "").replace("\t","").strip()

        newf.write(newStr)

    f.close()

    newf.close()

if __name__ == "__main__":

    stripFile("lc_iocapp.postman_collection.json",'lc_iocapp.postman_collection_new.json')