def GetStandardDeviation():
listFromFile = []
if __name__ == "__main__":
data = input()
listFromFile = data.split(" ")
n = len(listFromFile)
sum = MathLib.solve_mathematic_problem(GetSum(listFromFile, "1"))
oneDevidedNMinusOne = str(MathLib.solve_mathematic_problem("1 /" + str(n - 1)))
sumSquared = str(MathLib.solve_mathematic_problem(GetSum(listFromFile, "2")))
aritMean = str(MathLib.solve_mathematic_problem(GetAritmeticMean(sum, n) + " ^ 1"))
aritMeanSquared = str(MathLib.solve_mathematic_problem(aritMean + " ^ 2"))
bracket = str(
MathLib.solve_mathematic_problem(
sumSquared
+ " - "
+ str(n)
+ " * "
+ aritMeanSquared))
underSquareRoot = str(MathLib.solve_mathematic_problem(oneDevidedNMinusOne + " * " + bracket))
standardDeviation = MathLib.solve_mathematic_problem(underSquareRoot + "_2")
return standardDeviation
def test_solve_problem_with_int_result(problem, result):
assert MathLib.solve_mathematic_problem(problem) == result
def test_advance_math_problem_1():
problem = "((44*(32+12)^2)_2)+2*3+3"
result = 300.8629816
assert MathLib.solve_mathematic_problem(problem) == result
def test_advance_math_problem():
problem = "1+(1/(1+(1/(1+(1/(1+(1/1)))))))"
result = 1.6
assert MathLib.solve_mathematic_problem(problem) == result
def test_extream_power_1():
nums = [str(i) for i in range(5, 8, 1)]
problem = ")^".join(nums)
problem = "(" * (len(nums) - 1) + problem
result = 227373675443232059478759765625
assert MathLib.solve_mathematic_problem(problem) == result
def test_extream_power():
nums = [str(i) for i in range(1, 200, 3)]
problem = ")^".join(nums)
problem = "(" * (len(nums) - 1) + problem
result = 1
assert MathLib.solve_mathematic_problem(problem) == result
def test_extream_div():
nums = [str(i) for i in range(1, 100, 3)]
problem = "/".join(nums)
result = 5.7290546601574706e-52
assert MathLib.solve_mathematic_problem(problem) == result
def test_extream_multi():
nums = [str(i) for i in range(1, 100, 3)]
problem = "*".join(nums)
result = 1745488670154377397414943478973600699284193280000000
assert MathLib.solve_mathematic_problem(problem) == result
def test_extream_sub():
nums = [str(i) for i in range(1, 10000, 3)]
problem = "-".join(nums)
result = -16661665
assert MathLib.solve_mathematic_problem(problem) == result
def test_bad_input_values(problem):
result_of_mathlib = MathLib.solve_mathematic_problem(problem)
assert result_of_mathlib is None
def test_solve_problem_with_float_result(problem, result):
result_of_mathlib = MathLib.solve_mathematic_problem(problem)
assert (abs(result_of_mathlib) - abs(result)) <= EPSILON
def test_wrong_input(problem):
result_of_mathlib = MathLib.transform_string_to_postfix(problem)
assert result_of_mathlib is None
def test_stringToPostfix_conversion(problem, result):
assert MathLib.transform_string_to_postfix(problem) == result
def GetAritmeticMean(sum, n):
oneDevidedN = MathLib.solve_mathematic_problem("1 /" + str(n))
aritMean = MathLib.solve_mathematic_problem(str(oneDevidedN) + "*" + str(sum))
return str(aritMean)