学習day18
Pythonの練習
◎繰り返し処理を使ってリスト、2次元リストの作り方
n = [1 for i in range(10)]
print(n)
print(len(n))
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] |
n2 = [[1 for i in range(3)] for j in range(4)]
print(n2)
[[1, 1, 1] , [1, 1, 1] , [1, 1, 1] , [1, 1, 1]] |
◎enumerateでforループ処理の要素にインデックス番号を付けることができる
a = ["あ","い","う"]
for i,moji in enumerate(a):
print(i,moji,a)
0 あ ["あ","い","う"] 1 い ["あ","い","う"] 2 う ["あ","い","う"] |