from scipy import integrate
def g(x):
  return (1-x**2)**0.5
 
#用integrate下的quad函数可以同时求出积分结果和误差
res,err=integrate.quad(g,-1,1) #-1和1表示积分上下限，如果是正无穷用np.inf
print(res,err)

1.5707963267948986 1.0002356720661965e-09

import numpy as np
from scipy.integrate import dblquad #dblquad用于二重积分
def main():
  print(dblquad(lambda t,x:np.sin(t)*np.exp(-x*t)/t**5,0.5,0.8,lambda x:0.2,lambda x:0.7))
 
if __name__ == "__main__":
  main()

(10.041536868759145, 1.3645801372419182e-11)