import numpy as np
import matplotlib.pyplot as plt

# ── Parameters ─────────────────────────────────────────────────────────────
seed     = 2900
n_points = 161

# ── Data ────────────────────────────────────────────────────────────────────
x = np.linspace(0.0, 2.0 * np.pi, n_points)

y0 = 0.831950 * np.sin(1.118913 * x + 1.008837)
y1 = 1.338358 * np.sin(0.932295 * x + 2.234393)

# ── Plot ────────────────────────────────────────────────────────────────────
fig, ax = plt.subplots(figsize=(7, 4))
ax.plot(x, y0, color="tab:blue", label="A=0.83, f=1.12, φ=1.01")
ax.plot(x, y1, color="tab:orange", label="A=1.34, f=0.93, φ=2.23")
ax.set_xlabel("x")
ax.set_ylabel("y")
ax.set_title("Sinusoidal Line Plot  (2 curve(s))")
ax.legend(fontsize=8)
ax.grid(True, alpha=0.3)
fig.tight_layout()
plt.show()