prices = [100, 200, 150, 200, 100]
prices_with_tax = []
for price in prices:
if price != 200:
prices_with_tax.append(price * 1.1)
prices_with_tax = [price * 1.1 for price in prices if price != 200]
print(prices_with_tax)
カテゴリー: Python
python リスト内包表記
prices = [100, 200, 150, 200, 100]
prices_with_tax = [price * 1.1 for price in prices]
print(prices_with_tax)
Python リストとループ
prices = [100,200,150,200,100]
for price in prices:
print(price * 1.1)
for index, price in enumerate(prices):
print(f”{index}: {price * 1.1:.2f}”)
Python スライス記法
nums = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
sliced_list = nums[::-1]
print(nums)
print(sliced_list)
Python スライス記法
nums = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
nums[3:] = []
print(nums)
Python リストの要素
scores = [10, 20, 30, 20, 40]
scores_sorted = sorted(scores, reverse=True)
print(scores)
print(scores_sorted)
Python 集計
scores = [10, 20, 30, 20, 40]
print(len(scores))
print(min(scores))
print(max(scores))
print(sum(scores))
print(scores.index(20))
print(20 in scores)
print(100 in scores)
python リストから要素を削除
scores = [10, 20, 30, 20, 40]
scores.clear()
scores.remove(20)
popped_item = scores.pop()
del scores[2]
print(scores)
print(popped_item)
Python extend,insert
scores = [10, 20, 30, 20, 40]
scores.append(60)
scores.extend([70, 80])
scores = scores + [70, 80]
scores += [70, 80]
scores = scores * 3
scores *= 3
scores.insert(1, 15)
print(scores)
Python append
scores = [10, 20, 30, 20, 40]
scores.append(60) #メソッド
append(scores, 60)
print(scores)