Python 3.10.8 (tags/v3.10.8:aaaf517, Oct 11 2022, 16:50:30) [MSC v.1933 64 bit (AMD64)] on win32
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print('hello, world')
hello, world
print('bye, world')
bye, world
x = 'hello'
x.upper()
'HELLO'
'hello'.upper()
'HELLO'
id(x)
2643871253552
x = 87934
x
87934
x = 'a very long hello'
x
'a very long hello'
id(x)
2643871199232
x = 23453245768967436781647856847365872304658062475863248756824658268654203685
id(x)
2643871253104
x
23453245768967436781647856847365872304658062475863248756824658268654203685
x = 10
print('hello' + x)
Traceback (most recent call last):
  File "<pyshell#15>", line 1, in <module>
    print('hello' + x)
TypeError: can only concatenate str (not "int") to str
print
<built-in function print>
print('hello' + str(x))
hello10
filled_dict = {"one": 1, "two": 2, "three": 3}
filled_dict["one"]
1
filled_dict["two"]
2