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Paiza 便利ツール

Last updated at Posted at 2022-01-08

入力

入力
1 2

一行複数値の入力(数固定)

コード
x, y = map(int, input().split())
print(x, y)
#1, 2

一行複数値の入力(数不定、list型)

コード
x = list(map(int, input().split()))
print(x)
#[1, 2]

複数行複数値の入力(2次元list型)

入力
1 2 3 4
5 6 7 8
9 10 11 12
コード
data_list = [ list(map(int,input().split(" "))) for i in range(3)]
print(data_list)
#[[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]

初期化

list

1次元

x = [0] * 4 
print(x)
# [0, 0, 0, 0]

2次元

x = [[0] * 4 for i in range(3)]
print(x)
# [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]

行列の結合

print(a1)
# [[1 1 1]
#  [1 1 1]]

print(a2)
# [[2 2 2]
#  [2 2 2]]

import numpy as np
print(np.concatenate([a1, a2], 0))
# [[1 1 1]
#  [1 1 1]
#  [2 2 2]
#  [2 2 2]]

print(np.concatenate([a1, a2], 1))
# [[1 1 1 2 2 2]
#  [1 1 1 2 2 2]]

出力

list

print(x)
#[1, 2, 3, 4]

print(*x)
#1 2 3 4

print(*x, sep='')
#1234
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