222

159-2.py

@@ -4,6 +4,7 @@ import matplotlib.pyplot as plt
 def fx(x):
     return math.exp(x)-math.sin(x)
 
+# 绘制函数图像 并标记可能的零点
 def DrawGraph(a, b, stepper):
     x = [a + (b-a)*i*stepper for i in range(int(1/stepper+1))]
     y = [fx(i) for i in x]