import numpy as np
import matplotlib.pyplot as plt
 
# 生成x数据
x = np.linspace(0, 2*np.pi, 100)
# 计算sin和cos值
y_sin = np.sin(x)
y_cos = np.cos(x)
 
# 创建绘图对象
fig, ax = plt.subplots()
# 绘制sin曲线
ax.plot(x, y_sin, label='sin', linestyle='-')
# 绘制cos曲线
ax.plot(x, y_cos, label='cos', linestyle='--')
 
# 设置标题，假设姓名为张三，实际使用时请替换成自己姓名
ax.set_title("张三sin&cos") 
# 设置x轴标签
ax.set_xlabel('x')
# 设置y轴标签
ax.set_ylabel('y')
# 添加图例
ax.legend()
 
# 显示图形
plt.show()

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