【 Python學習 】map 應用台幣美金轉換

# map(函式,可迭代的列表) 台幣美金轉換

calligraphy = [('七字春聯', 300), ('四字春條', 150), ('單字斗方', 60)]
print(calligraphy)
to_usd = lambda data:(data[0], data[1] / 30)
calligraphy_new = list(map(to_usd, calligraphy))
print(calligraphy_new)

[('七字春聯', 300), ('四字春條', 150), ('單字斗方', 60)]
[('七字春聯', 10.0), ('四字春條', 5.0), ('單字斗方', 2.0)]