0)print(result)# Good codedef divide(num1, num2): try: return num1 / num2 except ZeroDivisionError: return "Cannot divide by zero"result = divide(10, 0)print(result)"Use exceptions to handle errors" 是
gini=0.0forgroupingroups:size=float(len(group))# avoid divide by zeroifsize==0:continuescore=0.0# score the group based on the scoreforeachclassforclass_valinclasses:p=[row[-1]forrowingroup].count(class_val)/size score+=p*p # weight the group score by its relative size gini+=(1.0-s...
if mask[col, row] == 255: # avoid division by zero blend[col, row] = 255 else: # shift image pixel value by 8 bits # divide by the inverse of the mask tmp = (image[col, row] << 8) / (255 - mask) # print('tmp={}'.format(tmp.shape)) # make sure resulting value stays...
im2_blur = cv2.GaussianBlur(im2, (blur_amount, blur_amount), 0) # Avoid divide-by-zero errors. im2_blur += 128 * (im2_blur return (im2.astype(numpy.float64) * im1_blur.astype(numpy.float64) / im2_blur.astype(numpy.float64)) 现在效果怎么样?我们瞅瞅: 此函数试图改变图 2 的...
# Avoid divide-by-zero errors. im2_blur += 128 * (im2_blur <= 1.0) return (im2.astype(numpy.float64) * im1_blur.astype(numpy.float64) / im2_blur.astype(numpy.float64)) im1, landmarks1 = read_im_and_landmarks(sys....
# Avoid divide-by-zero errors. im2_blur += (128 * (im2_blur <= 1.0)).astype(im2_blur.dtype) return (im2.astype(np.float64) * im1_blur.astype(np.float64) / im2_blur.astype(np.float64)) def draw_convex_hull(self, img, points, color): ...
(blur_amount)ifblur_amount%2==0:blur_amount+=1im1_blur=cv2.GaussianBlur(im1,(blur_amount,blur_amount),0)im2_blur=cv2.GaussianBlur(im2,(blur_amount,blur_amount),0)# Avoid divide-by-zero errors.im2_blur+=128*(im2_blur<=1.0)return(im2.astype(numpy.float64)*im1_blur.astype(numpy...
print("Cannot divide by zero") except Exception as e: # handle other exceptions print(f"An error occurred: {e}") 在捕获操作系统错误时,更倾向于使用在 Python 3.3 中引入的显式异常层次结构,而不是检查 errno 值。 此外,对于所有的try/except子句,将try子句限制为绝对必要的最小代码量。这样可以避免...
division by zero! executingfinallyclause>>> divide("2","1") executingfinallyclause Traceback (most recent call last): File"<stdin>", line 1,in? File"<stdin>", line 3,individe TypeError: unsupported operand type(s)for/:'str'and'str' ...
try: for i in range(3): try: 1 / i except ZeroDivisionError: # Let's throw it here and handle it outside for loop raise ZeroDivisionError("A trivial divide by zero error") finally: print("Iteration", i) break except ZeroDivisionError as e: print("Zero division error occurred", e)Out...