def calculateSphere(self, problems: dict) -> dict:
S = Sphere()
solutionDict = {}
for key in list(problems.keys()):
task = problems[key]
valueType = next(iter(task.keys()))
value = next(iter(task.values()))
if valueType == 'r':
S.radius = value
elif valueType == 'Ao':
S.Ao = value
elif valueType == 'ERROR':
S.error = True
else:
S.volume = value
solutionDict[key] = S.getValues()
return solutionDict
