python的numpy庫使用問題記錄
1:numpy.round()函數在Python3.5上四捨六入五湊偶,在2.7上四捨五入原文鏈接
import numpy as np
print(np.round(0.5))#3.5:0.0, 2.7:1.0
print(np.round(1.5))#3.5:2.0, 2.7:5.0
1:numpy.round()函數在Python3.5上四捨六入五湊偶,在2.7上四捨五入原文鏈接
import numpy as np
print(np.round(0.5))#3.5:0.0, 2.7:1.0
print(np.round(1.5))#3.5:2.0, 2.7:5.0
1.while循環的格式 while 條件: 條件滿足時,做的事情1 條件滿足時,做的事情2 條件滿足時,做的事情3 ...(省略)... demo