import
numpy as np
x
=
np.array([[
1
,
2
,
5
],[
2
,
3
,
5
],[
3
,
4
,
5
],[
2
,
3
,
6
]])
# 输出数组的行和列数
print(
x.shape)
# (4, 3)
# 只输出行数
print(
x.shape[
0
])
# 4
# 只输出列数
print
(x
.shape[
1
])
# 3
import
numpy as np
x
=
np.array([[
1
,
2
,
5
],[
2
,
3
,
5
],[
3
,
4
,
5
],[
2
,
3
,
6
]])
# 输出数组的行和列数
print(
x.shape)
# (4, 3)
# 只输出行数
print(
x.shape[
0
])
# 4
# 只输出列数
print
(x
.shape[
1
])
# 3