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是將一個(gè)2113對(duì)象轉(zhuǎn)成字符串顯示5261，注意只是顯示用，有些對(duì)象4102轉(zhuǎn)成字符串沒(méi)有直1653接的意思。

str():將變量轉(zhuǎn)化為字符串類型

a = 1

b = [1, 2, 3]

str_a = str(a)

print(a)

print(type(a))

str_b = str(b)

print(b)

print(type(b))

The str() function is meant to return representations of values which are fairly human-readable, while repr() is meant to generate representations which can be read by

the interpreter (or will force a SyntaxError if there is not equivalent syntax). For objects which don't have a particular representation for human consumption, str() will

return the same value as repr(). Many values, such as numbers or structures like lists and dictionaries, have the same representation using either function. Strings and。

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