In [1]:

    

c = 3 + 4j

print(c)
print(type(c))


    

    




(3+4j)
<class 'complex'>

In [2]:

    

# c = 3 + j
# NameError: name 'j' is not defined


    

In [3]:

    

c = 3 + 1j

print(c)


    

    




(3+1j)

In [4]:

    

c = 3j

print(c)


    

    




3j

In [5]:

    

c = 3 + 0j

print(c)


    

    




(3+0j)

In [6]:

    

c = 1.2e3 + 3j

print(c)


    

    




(1200+3j)

In [7]:

    

c = complex(3, 4)

print(c)
print(type(c))


    

    




(3+4j)
<class 'complex'>

In [8]:

    

c = 3 + 4j


    

In [9]:

    

print(c.real)
print(type(c.real))


    

    




3.0
<class 'float'>

In [10]:

    

print(c.imag)
print(type(c.imag))


    

    




4.0
<class 'float'>

In [11]:

    

# c.real = 5.5
# AttributeError: readonly attribute


    

In [12]:

    

c = 3 + 4j

print(c.conjugate())


    

    




(3-4j)

In [13]:

    

c = 3 + 4j

print(abs(c))


    

    




5.0

In [14]:

    

c = 1 + 1j

print(abs(c))


    

    




1.4142135623730951

In [15]:

    

c1 = 3 + 4j
c2 = 2 - 1j


    

In [16]:

    

print(c1 + c2)


    

    




(5+3j)

In [17]:

    

print(c1 - c2)


    

    




(1+5j)

In [18]:

    

print(c1 * c2)


    

    




(10+5j)

In [19]:

    

print(c1 / c2)


    

    




(0.4+2.2j)

In [20]:

    

print(c1 ** 3)


    

    




(-117+44j)

In [21]:

    

print(c1 + 3)


    

    




(6+4j)

In [22]:

    

print(c1 * 0.5)


    

    




(1.5+2j)