In [1]:

    

import math


    

In [2]:

    

print(math.copysign(123, -100))


    

    




-123.0

In [3]:

    

print(math.copysign(123.0, -100.0))


    

    




-123.0

In [4]:

    

def my_sign_with_copysign(x):
    return int(math.copysign(1, x))


    

In [5]:

    

print(my_sign_with_copysign(100))


    

    




1

In [6]:

    

print(my_sign_with_copysign(-100))


    

    




-1

In [7]:

    

print(type(my_sign_with_copysign(100)))


    

    




<class 'int'>

In [8]:

    

print(my_sign_with_copysign(1.23))


    

    




1

In [9]:

    

print(my_sign_with_copysign(-1.23))


    

    




-1

In [10]:

    

print(type(my_sign_with_copysign(1.23)))


    

    




<class 'int'>

In [11]:

    

print(my_sign_with_copysign(0))


    

    




1

In [12]:

    

print(my_sign_with_copysign(0.0))


    

    




1

In [13]:

    

print(my_sign_with_copysign(-0.0))


    

    




-1

In [14]:

    

print(my_sign_with_copysign(float('nan')))


    

    




1

In [15]:

    

print(my_sign_with_copysign(float('-nan')))


    

    




-1

In [16]:

    

# print(math.copysign(1, 3 + 4j))
# TypeError: can't convert complex to float


    

In [17]:

    

# print(my_sign_with_copysign(3 + 4j))
# TypeError: can't convert complex to float