import json

def main():
    with open('grammar.json', 'r') as f:
        #print(f)
        content = json.load(f)
    content = content["Telescope"]["set"][0]["input_label"][0]["R.A."]
    print(content)
    #for c in content:
        #print (c["R.A."])
        #print("\n")
        

main()