13.7Python基础拾遗（7）：多样化的遍历

# 反向遍历
mlist = [1, 2, 3]
for item in reversed(mlist):
print(item)

# 组合遍历
mlist = [1, 2, 3]
ylist = ["a", "b", "c"]
for m, y in zip(mlist, ylist):
print(m, y)

# 加序号遍历
ylist = ["a", "b", "c"]
for i, x in enumerate(ylist):
print(i, x)