names = ["Pierre", "Per", "Peter"]
colors = ["cyan", "magenta", "yellow", "black"]

# ❌
n = min(len(names), len(colors))
for i in range(n):
    print(f"{names[i]} --> {colors[i]}")

# ✔️
for name, color in zip(names, colors):
    print(f"{name} --> {color}")