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字符串轉(zhuǎn)數(shù)字 python python怎么把字符串轉(zhuǎn)換成數(shù)字?

python怎么把字符串轉(zhuǎn)換成數(shù)字?整數(shù)字符串轉(zhuǎn)換為對應(yīng)的整數(shù)int("12")小數(shù)字符串轉(zhuǎn)換為對應(yīng)小數(shù)float("12.34")數(shù)字轉(zhuǎn)換為字符串str(123.45)ASCII碼轉(zhuǎn)換為相應(yīng)字符ch

python怎么把字符串轉(zhuǎn)換成數(shù)字?

整數(shù)字符串轉(zhuǎn)換為對應(yīng)的整數(shù)

int("12")

小數(shù)字符串轉(zhuǎn)換為對應(yīng)小數(shù)

float("12.34")

數(shù)字轉(zhuǎn)換為字符串

str(123.45)

ASCII碼轉(zhuǎn)換為相應(yīng)字符

chr(97)

字符轉(zhuǎn)換為響應(yīng)ASCII碼

ord("a")

python怎樣將str數(shù)字轉(zhuǎn)為float?

from dateutil.parser import parse

a=20170825

b=str(a)

c=parse(b)

python怎么將字符串轉(zhuǎn)換為數(shù)字?

整數(shù)字符串轉(zhuǎn)換為對應(yīng)的整數(shù)int("12")小數(shù)字符串轉(zhuǎn)換為對應(yīng)小數(shù)float("12.34")數(shù)字轉(zhuǎn)換為字符串str(123.45)ASCII碼轉(zhuǎn)換為相應(yīng)字符chr(97)字符轉(zhuǎn)換為響應(yīng)ASCII碼ord("a")