Nov-22-2017, 11:39 AM
Sometimes the error is on the line before the line on which it indicates, i.e. on the line before that line254. I would guess you have problem with the closing parenthesis of the dict. here is the whole code with dict created in the code, not using json.
output
periodic_table = {
"H": {
"type": "Nonmetal",
"mass": 1.008,
"number": 1,
"radioactive": False,
"name": "Hydrogen"
},
"He": {
"type": "Noble Gas",
"mass": 4.003,
"number": 2,
"radioactive": False,
"name": "Helium"
},
"Li": {
"type": "Alkali Metal",
"mass": 6.941,
"number": 3,
"radioactive": False,
"name": "Lithium"
},
"Be": {
"type": "Alkaline Earth",
"mass": 9.012,
"number": 4,
"radioactive": False,
"name": "Beryllium"
},
"B": {
"type": "Semimetal",
"mass": 10.811,
"number": 5,
"radioactive": False,
"name": "Boron"
},
"C": {
"type": "Nonmetal",
"mass": 12.011,
"number": 6,
"radioactive": False,
"name": "Carbon"
},
"N": {
"type": "Nonmetal",
"mass": 14.007,
"number": 7,
"radioactive": False,
"name": "Nitrogen"
},
"O": {
"type": "Nonmetal",
"mass": 15.999,
"number": 8,
"radioactive": False,
"name": "Oxygen"
},
"F": {
"type": "Halogen",
"mass": 18.998,
"number": 9,
"radioactive": False,
"name": "Flourine"
},
"Ne": {
"type": "Noble Gas",
"mass": 39.948,
"number": 18,
"radioactive": False,
"name": "Argon"
},
"Na": {
"type": "Alkali Metal",
"mass": 22.99,
"number": 11,
"radioactive": False,
"name": "Sodium"
},
"Mg": {
"type": "Alkaline Earth",
"mass": 24.305,
"number": 12,
"radioactive": False,
"name": "Magnesium"
},
"Al": {
"type": "Basic Metal",
"mass": 26.982,
"number": 13,
"radioactive": False,
"name": "Aluminium"
},
"Si": {
"type": "Semimetal",
"mass": 28.086,
"number": 14,
"radioactive": False,
"name": "Silicon"
},
"P": {
"type": "Nonmetal",
"mass": 30.974,
"number": 15,
"radioactive": False,
"name": "Phosphorus"
},
"S": {
"type": "Nonmetal",
"mass": 32.066,
"number": 16,
"radioactive": False,
"name": "Sulphur"
},
"Cl": {
"type": "Halogen",
"mass": 35.453,
"number": 17,
"radioactive": False,
"name": "Chlorine"
},
"K": {
"type": "Alkali Metal",
"mass": 39.098,
"number": 19,
"radioactive": False,
"name": "Potassium"
},
"Ca": {
"type": "Alkaline Earth",
"mass": 40.078,
"number": 20,
"radioactive": False,
"name": "Calcium"
},
"Sc": {
"type": "Transistion Metal",
"mass": 44.956,
"number": 21,
"radioactive": False,
"name": "Scandium"
},
"Ti": {
"type": "Transistion Metal",
"mass": 47.867,
"number": 22,
"radioactive": False,
"name": "Titanium"
},
"V": {
"type": "Transistion Metal",
"mass": 50.942,
"number": 23,
"radioactive": False,
"name": "Vanadium"
},
"Cr": {
"type": "Transistion Metal",
"mass": 51.996,
"number": 24,
"radioactive": False,
"name": "Chromium"
},
"Mn": {
"type": "Transistion Metal",
"mass": 54.938,
"number": 25,
"radioactive": False,
"name": "Manganese"
},
"Fe": {
"type": "Transistion Metal",
"mass": 55.845,
"number": 26,
"radioactive": False,
"name": "Iron"
},
"Co": {
"type": "Transistion Metal",
"mass": 58.693,
"number": 27,
"radioactive": False,
"name": "Cobalt"
},
"Ni": {
"type": "Transistion Metal",
"mass": 58.693,
"number": 28,
"radioactive": False,
"name": "Nickel"
},
"Cu": {
"type": "Transistion Metal",
"mass": 63.546,
"number": 29,
"radioactive": False,
"name": "Copper"
},
"Zn": {
"type": "Transistion Metal",
"mass": 65.38,
"number": 30,
"radioactive": False,
"name": "Zinc"
},
"Ga": {
"type": "Basic Metal",
"mass": 69.723,
"number": 31,
"radioactive": False,
"name": "Gallium"
},
"Ge": {
"type": "Semimetal",
"mass": 72.631,
"number": 32,
"radioactive": False,
"name": "Germanium"
},
"As": {
"type": "Semimetal",
"mass": 74.922,
"number": 33,
"radioactive": False,
"name": "Arsenic"
},
"Se": {
"type": "Nonmetal",
"mass": 78.972,
"number": 34,
"radioactive": False,
"name": "Selenium"
},
"Br": {
"type": "Halogen",
"mass": 79.904,
"number": 35,
"radioactive": False,
"name": "Bromine"
},
"Kr": {
"type": "Noble Gas",
"mass": 84.798,
"number": 36,
"radioactive": False,
"name": "Krypton"
},
"Rb": {
"type": "Alkali Metal",
"mass": 85.468,
"number": 37,
"radioactive": False,
"name": "Rubidium"
},
"Sr": {
"type": "Alkaline Earth",
"mass": 87.62,
"number": 38,
"radioactive": False,
"name": "Strontium"
},
"Y": {
"type": "Transistion Metal",
"mass": 88.906,
"number": 39,
"radioactive": False,
"name": "Yttrium"
},
"Zr": {
"type": "Transistion Metal",
"mass": 91.224,
"number": 40,
"radioactive": False,
"name": "Zirconium"
},
"Nb": {
"type": "Transistion Metal",
"mass": 92.906,
"number": 41,
"radioactive": False,
"name": "Niobium"
},
"Mo": {
"type": "Transistion Metal",
"mass": 95.95,
"number": 42,
"radioactive": False,
"name": "Molybdenum"
},
"Tc": {
"type": "Transistion Metal",
"mass": 98.907,
"number": 43,
"radioactive": True,
"name": "Technetium"
},
"Ru": {
"type": "Transistion Metal",
"mass": 101.07,
"number": 44,
"radioactive": False,
"name": "Ruthenium"
},
"Rh": {
"type": "Transistion Metal",
"mass": 102.906,
"number": 45,
"radioactive": False,
"name": "Rhodium"
},
"Pd": {
"type": "Transistion Metal",
"mass": 106.42,
"number": 46,
"radioactive": False,
"name": "Palladium"
},
"Ag": {
"type": "Transistion Metal",
"mass": 107.868,
"number": 47,
"radioactive": False,
"name": "Silver"
},
"Cd": {
"type": "Transistion Metal",
"mass": 112.411,
"number": 48,
"radioactive": False,
"name": "Cadmium"
},
"In": {
"type": "Basic Metal",
"mass": 114.818,
"number": 49,
"radioactive": False,
"name": "Indium"
},
"Sn": {
"type": "Basic Metal",
"mass": 118.711,
"number": 50,
"radioactive": False,
"name": "Tin"
},
"Sb": {
"type": "Semimetal",
"mass": 121.76,
"number": 51,
"radioactive": False,
"name": "Antimony"
},
"Te": {
"type": "Semimetal",
"mass": 127.6,
"number": 52,
"radioactive": False,
"name": "Tellurium"
},
"I": {
"type": "Halogen",
"mass": 126.904,
"number": 53,
"radioactive": False,
"name": "Iodine"
},
"Xe": {
"type": "Noble Gas",
"mass": 131.294,
"number": 54,
"radioactive": False,
"name": "Xenon"
},
"Cs": {
"type": "Alkali Metal",
"mass": 132.905,
"number": 55,
"radioactive": False,
"name": "Cesium"
},
"Ba": {
"type": "Alkaline Earth",
"mass": 137.328,
"number": 56,
"radioactive": False,
"name": "Barium"
},
"La": {
"type": "Lanthanide",
"mass": 138.905,
"number": 57,
"radioactive": False,
"name": "Lanthanum"
},
"Ce": {
"type": "Lanthanide",
"mass": 140.116,
"number": 58,
"radioactive": False,
"name": "Cerium"
},
"Pr": {
"type": "Lanthanide",
"mass": 140.908,
"number": 59,
"radioactive": False,
"name": "Praseodymium"
},
"Nd": {
"type": "Lanthanide",
"mass": 144.242,
"number": 60,
"radioactive": False,
"name": "Neodymium"
},
"Pm": {
"type": "Lanthanide",
"mass": 144.913,
"number": 61,
"radioactive": True,
"name": "Prometheum"
},
"Sm": {
"type": "Lanthanide",
"mass": 150.36,
"number": 62,
"radioactive": False,
"name": "Samarium"
},
"Eu": {
"type": "Lanthanide",
"mass": 151.964,
"number": 63,
"radioactive": False,
"name": "Europium"
},
"Gd": {
"type": "Lanthanide",
"mass": 157.25,
"number": 64,
"radioactive": False,
"name": "Gadolinium"
},
"Tb": {
"type": "Lanthanide",
"mass": 158.925,
"number": 65,
"radioactive": False,
"name": "Terbuim"
},
"Dy": {
"type": "Lanthanide",
"mass": 162.5,
"number": 66,
"radioactive": False,
"name": "Dysprosium"
},
"Ho": {
"type": "Lanthanide",
"mass": 164.93,
"number": 67,
"radioactive": False,
"name": "Holmium"
},
"Er": {
"type": "Lanthanide",
"mass": 167.259,
"number": 68,
"radioactive": False,
"name": "Erbium"
},
"Tm": {
"type": "Lanthanide",
"mass": 168.934,
"number": 69,
"radioactive": False,
"name": "Thulium"
},
"Yb": {
"type": "Lanthanide",
"mass": 173.055,
"number": 70,
"radioactive": False,
"name": "Ytterbium"
},
"Lu": {
"type": "Lanthanide",
"mass": 174.967,
"number": 71,
"radioactive": False,
"name": "Lutetium"
},
"Hf": {
"type": "Transistion Metal",
"mass": 178.49,
"number": 72,
"radioactive": False,
"name": "Hafnium"
},
"Ta": {
"type": "Transistion Metal",
"mass": 180.948,
"number": 73,
"radioactive": False,
"name": "Tantalum"
},
"W": {
"type": "Transistion Metal",
"mass": 183.84,
"number": 74,
"radioactive": False,
"name": "Tungsten"
},
"Re": {
"type": "Transistion Metal",
"mass": 186.207,
"number": 75,
"radioactive": False,
"name": "Rhenium"
},
"Os": {
"type": "Transistion Metal",
"mass": 190.23,
"number": 76,
"radioactive": False,
"name": "Osmium"
},
"Ir": {
"type": "Transistion Metal",
"mass": 192.217,
"number": 77,
"radioactive": False,
"name": "Iridium"
},
"Pt": {
"type": "Transistion Metal",
"mass": 195.085,
"number": 78,
"radioactive": False,
"name": "Platinum"
},
"Au": {
"type": "Transistion Metal",
"mass": 196.967,
"number": 79,
"radioactive": False,
"name": "Gold"
},
"Hg": {
"type": "Transistion Metal",
"mass": 200.592,
"number": 80,
"radioactive": False,
"name": "Mercury"
},
"Tl": {
"type": "Basic Metal",
"mass": 204.383,
"number": 81,
"radioactive": False,
"name": "Thallium"
},
"Pb": {
"type": "Basic Metal",
"mass": 207.2,
"number": 82,
"radioactive": False,
"name": "Lead"
},
"Bi": {
"type": "Basic Metal",
"mass": 208.98,
"number": 83,
"radioactive": True,
"name": "Bismuth"
},
"Po": {
"type": "Semimetal",
"mass": 208.982,
"number": 84,
"radioactive": True,
"name": "Polonium"
},
"At": {
"type": "Halogen",
"mass": 209.987,
"number": 85,
"radioactive": True,
"name": "Astatine"
},
"Rn": {
"type": "Noble Gas",
"mass": 222.018,
"number": 86,
"radioactive": True,
"name": "Radon"
},
"Fr": {
"type": "Alkali Metal",
"mass": 223.02,
"number": 87,
"radioactive": True,
"name": "Francium"
},
"Ra": {
"type": "Alkaline Earth",
"mass": 226.025,
"number": 88,
"radioactive": True,
"name": "Radium"
},
"Ac": {
"type": "Actinide",
"mass": 227.028,
"number": 89,
"radioactive": True,
"name": "Actinium"
},
"Th": {
"type": "Actinide",
"mass": 232.038,
"number": 90,
"radioactive": True,
"name": "Thorium"
},
"Pa": {
"type": "Actinide",
"mass": 231.036,
"number": 91,
"radioactive": True,
"name": "Protactinium"
},
"U": {
"type": "Actinide",
"mass": 238.029,
"number": 92,
"radioactive": True,
"name": "Uranium"
},
"Np": {
"type": "Actinide",
"mass": 237.048,
"number": 93,
"radioactive": True,
"name": "Neptunium"
},
"Pu": {
"type": "Actinide",
"mass": 244.064,
"number": 94,
"radioactive": True,
"name": "Plutonium"
},
"Am": {
"type": "Actinide",
"mass": 243.061,
"number": 95,
"radioactive": True,
"name": "Americium"
},
"Cm": {
"type": "Actinide",
"mass": 247.07,
"number": 96,
"radioactive": True,
"name": "Curium"
},
"Bk": {
"type": "Actinide",
"mass": 247.07,
"number": 97,
"radioactive": True,
"name": "Berkelium"
},
"Cf": {
"type": "Actinide",
"mass": 251.08,
"number": 98,
"radioactive": True,
"name": "Californium"
},
"Es": {
"type": "Actinide",
"mass": 254,
"number": 99,
"radioactive": True,
"name": "Einsteinium"
},
"Fm": {
"type": "Actinide",
"mass": 257.095,
"number": 100,
"radioactive": True,
"name": "Fermium"
},
"Md": {
"type": "Actinide",
"mass": 258.1,
"number": 101,
"radioactive": True,
"name": "Mendelevium"
},
"No": {
"type": "Actinide",
"mass": 259.101,
"number": 102,
"radioactive": True,
"name": "Nobelium"
},
"Lr": {
"type": "Actinide",
"mass": 262,
"number": 103,
"radioactive": True,
"name": "Lawrencium"
},
"Rf": {
"type": "Transistion Metal",
"mass": 261,
"number": 104,
"radioactive": True,
"name": "Rutherfordium"
},
"Db": {
"type": "Transistion Metal",
"mass": 262,
"number": 105,
"radioactive": True,
"name": "Dubnium"
},
"Sg": {
"type": "Transistion Metal",
"mass": 266,
"number": 106,
"radioactive": True,
"name": "Seaborgium"
},
"Bh": {
"type": "Transistion Metal",
"mass": 264,
"number": 107,
"radioactive": True,
"name": "Bohrium"
},
"Hs": {
"type": "Transistion Metal",
"mass": 269,
"number": 108,
"radioactive": True,
"name": "Hassnium"
},
"Mt": {
"type": "Transistion Metal",
"mass": 268,
"number": 109,
"radioactive": True,
"name": "Meitnerium"
},
"Ds": {
"type": "Transistion Metal",
"mass": 269,
"number": 110,
"radioactive": True,
"name": "Darmstadium"
},
"Rg": {
"type": "Transistion Metal",
"mass": 272,
"number": 111,
"radioactive": True,
"name": "Roetgenium"
},
"Cn": {
"type": "Transistion Metal",
"mass": 277,
"number": 112,
"radioactive": True,
"name": "Copernicium"
},
"Nh": {
"type": "Basic Metal",
"mass": "Unknown",
"number": 113,
"radioactive": True,
"name": "Nihonium"
},
"Fl": {
"type": "Basic Metal",
"mass": 289,
"number": 114,
"radioactive": True,
"name": "Ferovium"
},
"Mc": {
"type": "Basic Metal",
"mass": "Unknown",
"number": 115,
"radioactive": True,
"name": "Moscovium"
},
"Lv": {
"type": "Basic Metal",
"mass": 298,
"number": 116,
"radioactive": True,
"name": "Livermorium"
},
"Ts": {
"type": "Halogen",
"mass": "Unknown",
"number": 117,
"radioactive": True,
"name": "Tennessine"
},
"Og": {
"type": "Noble Gas",
"mass": "Unknown",
"number": 118,
"radioactive": True,
"name": "Oganesson"
}
}
for element in periodic_table.values():
if element['type'].endswith('Metal'):
print(element)
radioactive_elements = [element['name'] for element in periodic_table.values() if element['radioactive']]
print(radioactive_elements)
for element in filter((lambda x: x['type'] == 'Nonmetal'), periodic_table.values()):
print('{name} : {mass}'.format(**element))Output:{'mass': 91.224, 'type': 'Transistion Metal', 'number': 40, 'radioactive': False, 'name': 'Zirconium'}
{'mass': 65.38, 'type': 'Transistion Metal', 'number': 30, 'radioactive': False, 'name': 'Zinc'}
{'mass': 6.941, 'type': 'Alkali Metal', 'number': 3, 'radioactive': False, 'name': 'Lithium'}
{'mass': 261, 'type': 'Transistion Metal', 'number': 104, 'radioactive': True, 'name': 'Rutherfordium'}
{'mass': 196.967, 'type': 'Transistion Metal', 'number': 79, 'radioactive': False, 'name': 'Gold'}
{'mass': 266, 'type': 'Transistion Metal', 'number': 106, 'radioactive': True, 'name': 'Seaborgium'}
{'mass': 102.906, 'type': 'Transistion Metal', 'number': 45, 'radioactive': False, 'name': 'Rhodium'}
{'mass': 107.868, 'type': 'Transistion Metal', 'number': 47, 'radioactive': False, 'name': 'Silver'}
{'mass': 200.592, 'type': 'Transistion Metal', 'number': 80, 'radioactive': False, 'name': 'Mercury'}
{'mass': 183.84, 'type': 'Transistion Metal', 'number': 74, 'radioactive': False, 'name': 'Tungsten'}
{'mass': 26.982, 'type': 'Basic Metal', 'number': 13, 'radioactive': False, 'name': 'Aluminium'}
{'mass': 190.23, 'type': 'Transistion Metal', 'number': 76, 'radioactive': False, 'name': 'Osmium'}
{'mass': 262, 'type': 'Transistion Metal', 'number': 105, 'radioactive': True, 'name': 'Dubnium'}
{'mass': 186.207, 'type': 'Transistion Metal', 'number': 75, 'radioactive': False, 'name': 'Rhenium'}
{'mass': 85.468, 'type': 'Alkali Metal', 'number': 37, 'radioactive': False, 'name': 'Rubidium'}
{'mass': 58.693, 'type': 'Transistion Metal', 'number': 28, 'radioactive': False, 'name': 'Nickel'}
{'mass': 63.546, 'type': 'Transistion Metal', 'number': 29, 'radioactive': False, 'name': 'Copper'}
{'mass': 277, 'type': 'Transistion Metal', 'number': 112, 'radioactive': True, 'name': 'Copernicium'}
{'mass': 50.942, 'type': 'Transistion Metal', 'number': 23, 'radioactive': False, 'name': 'Vanadium'}
{'mass': 92.906, 'type': 'Transistion Metal', 'number': 41, 'radioactive': False, 'name': 'Niobium'}
{'mass': 132.905, 'type': 'Alkali Metal', 'number': 55, 'radioactive': False, 'name': 'Cesium'}
{'mass': 269, 'type': 'Transistion Metal', 'number': 108, 'radioactive': True, 'name': 'Hassnium'}
{'mass': 98.907, 'type': 'Transistion Metal', 'number': 43, 'radioactive': True, 'name': 'Technetium'}
{'mass': 180.948, 'type': 'Transistion Metal', 'number': 73, 'radioactive': False, 'name': 'Tantalum'}
{'mass': 204.383, 'type': 'Basic Metal', 'number': 81, 'radioactive': False, 'name': 'Thallium'}
{'mass': 'Unknown', 'type': 'Basic Metal', 'number': 115, 'radioactive': True, 'name': 'Moscovium'}
{'mass': 69.723, 'type': 'Basic Metal', 'number': 31, 'radioactive': False, 'name': 'Gallium'}
{'mass': 114.818, 'type': 'Basic Metal', 'number': 49, 'radioactive': False, 'name': 'Indium'}
{'mass': 207.2, 'type': 'Basic Metal', 'number': 82, 'radioactive': False, 'name': 'Lead'}
{'mass': 'Unknown', 'type': 'Basic Metal', 'number': 113, 'radioactive': True, 'name': 'Nihonium'}
{'mass': 112.411, 'type': 'Transistion Metal', 'number': 48, 'radioactive': False, 'name': 'Cadmium'}
{'mass': 192.217, 'type': 'Transistion Metal', 'number': 77, 'radioactive': False, 'name': 'Iridium'}
{'mass': 39.098, 'type': 'Alkali Metal', 'number': 19, 'radioactive': False, 'name': 'Potassium'}
{'mass': 178.49, 'type': 'Transistion Metal', 'number': 72, 'radioactive': False, 'name': 'Hafnium'}
{'mass': 88.906, 'type': 'Transistion Metal', 'number': 39, 'radioactive': False, 'name': 'Yttrium'}
{'mass': 269, 'type': 'Transistion Metal', 'number': 110, 'radioactive': True, 'name': 'Darmstadium'}
{'mass': 264, 'type': 'Transistion Metal', 'number': 107, 'radioactive': True, 'name': 'Bohrium'}
{'mass': 55.845, 'type': 'Transistion Metal', 'number': 26, 'radioactive': False, 'name': 'Iron'}
{'mass': 118.711, 'type': 'Basic Metal', 'number': 50, 'radioactive': False, 'name': 'Tin'}
{'mass': 208.98, 'type': 'Basic Metal', 'number': 83, 'radioactive': True, 'name': 'Bismuth'}
{'mass': 298, 'type': 'Basic Metal', 'number': 116, 'radioactive': True, 'name': 'Livermorium'}
{'mass': 51.996, 'type': 'Transistion Metal', 'number': 24, 'radioactive': False, 'name': 'Chromium'}
{'mass': 272, 'type': 'Transistion Metal', 'number': 111, 'radioactive': True, 'name': 'Roetgenium'}
{'mass': 195.085, 'type': 'Transistion Metal', 'number': 78, 'radioactive': False, 'name': 'Platinum'}
{'mass': 54.938, 'type': 'Transistion Metal', 'number': 25, 'radioactive': False, 'name': 'Manganese'}
{'mass': 58.693, 'type': 'Transistion Metal', 'number': 27, 'radioactive': False, 'name': 'Cobalt'}
{'mass': 101.07, 'type': 'Transistion Metal', 'number': 44, 'radioactive': False, 'name': 'Ruthenium'}
{'mass': 47.867, 'type': 'Transistion Metal', 'number': 22, 'radioactive': False, 'name': 'Titanium'}
{'mass': 268, 'type': 'Transistion Metal', 'number': 109, 'radioactive': True, 'name': 'Meitnerium'}
{'mass': 95.95, 'type': 'Transistion Metal', 'number': 42, 'radioactive': False, 'name': 'Molybdenum'}
{'mass': 44.956, 'type': 'Transistion Metal', 'number': 21, 'radioactive': False, 'name': 'Scandium'}
{'mass': 223.02, 'type': 'Alkali Metal', 'number': 87, 'radioactive': True, 'name': 'Francium'}
{'mass': 106.42, 'type': 'Transistion Metal', 'number': 46, 'radioactive': False, 'name': 'Palladium'}
{'mass': 289, 'type': 'Basic Metal', 'number': 114, 'radioactive': True, 'name': 'Ferovium'}
{'mass': 22.99, 'type': 'Alkali Metal', 'number': 11, 'radioactive': False, 'name': 'Sodium'}
['Rutherfordium', 'Radium', 'Seaborgium', 'Tennessine', 'Neptunium', 'Thorium', 'Dubnium', 'Radon', 'Astatine', 'Uranium', 'Copernicium', 'Actinium', 'Oganesson', 'Hassnium', 'Technetium', 'Moscovium', 'Mendelevium', 'Nihonium', 'Darmstadium', 'Bohrium', 'Einsteinium', 'Californium', 'Nobelium', 'Berkelium', 'Prometheum', 'Bismuth', 'Americium', 'Livermorium', 'Roetgenium', 'Plutonium', 'Meitnerium', 'Fermium', 'Lawrencium', 'Francium', 'Curium', 'Ferovium', 'Polonium', 'Protactinium']
Nitrogen : 14.007
Selenium : 78.972
Oxygen : 15.999
Phosphorus : 30.974
Carbon : 12.011
Hydrogen : 1.008
Sulphur : 32.066Reply