In [1]:

    

i = ord('A')
print(i)


    

    




65

In [2]:

    

print(type(i))


    

    




<class 'int'>

In [3]:

    

# ord('abc')
# TypeError: ord() expected a character, but string of length 3 found


    

In [4]:

    

s = hex(i)
print(s)


    

    




0x41

In [5]:

    

print(type(s))


    

    




<class 'str'>

In [6]:

    

print(format(i, '04x'))


    

    




0041

In [7]:

    

print(format(i, '#06x'))


    

    




0x0041

In [8]:

    

print(format(ord('X'), '#08x'))


    

    




0x000058

In [9]:

    

print(format(ord('💯'), '#08x'))


    

    




0x01f4af

In [10]:

    

# ord('🇯🇵')
# TypeError: ord() expected a character, but string of length 2 found


    

In [11]:

    

print(len('🇯🇵'))


    

    




2

In [12]:

    

print(chr(65))


    

    




A

In [13]:

    

print(type(chr(65)))


    

    




<class 'str'>

In [14]:

    

print(65 == 0x41)


    

    




True

In [15]:

    

print(chr(0x41))


    

    




A

In [16]:

    

print(chr(0x000041))


    

    




A

In [17]:

    

s = '0x0041'


    

In [18]:

    

print(int(s, 16))


    

    




65

In [19]:

    

print(chr(int(s, 16)))


    

    




A

In [20]:

    

s = 'U+0041'


    

In [21]:

    

print(s[2:])


    

    




0041

In [22]:

    

print(chr(int(s[2:], 16)))


    

    




A

In [23]:

    

print('\x41')


    

    




A

In [24]:

    

print('\u0041')


    

    




A

In [25]:

    

print('\U00000041')


    

    




A

In [26]:

    

print('\U0001f4af')


    

    




💯

In [27]:

    

# print('\u041')
# SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 0-4: truncated \uXXXX escape


    

In [28]:

    

# print('\U0000041')
# SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 0-8: truncated \UXXXXXXXX escape


    

In [29]:

    

print('\u0041\u0042\u0043')


    

    




ABC

In [30]:

    

print(len('\u0041\u0042\u0043'))


    

    




3

In [31]:

    

print(r'\u0041\u0042\u0043')


    

    




\u0041\u0042\u0043

In [32]:

    

print(len(r'\u0041\u0042\u0043'))


    

    




18