練習存取陣列中元素的方式

score_array = [85, 92, 88, 96]
x = score_array[0] # x會被設定為85
print(x)
score_array[0] = 95 # score_array變成[95, 92, 88, 96]
x = score_array[0] # x會被設定為95
print(x)