number

from mathimport sqrt, ceil, floor

n1 =12

n2 =12.01

# 加减乘除

num1 = n1+n2

num2 = n1-n2

num3 = n1*n2

num4 = n1/n2

num5 = n1//n2

# 取模

num6 = n1%n2

# 平方，平方根

num7 = n1**2

num8 = sqrt(25)

#取整

round(5.6)

ceil(5.1)

floor(5.9)