python题目练习——jmu-python-分段函数&数学函数

题目

答案

import math
x = eval(input())
result = 0
if -1<x<1:
    result = math.pow(2-2*x,0.5)
elif x>=1:
    result = (math.cos(x)+x*x)/(2.5+math.fabs(x+math.log1p(99)))
elif x<=-1:
    result = math.exp(x)
print("f({:.3f})={:.3f}".format(x,result))