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@EdwinTai
Created October 29, 2020 16:24
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import math
#真值表 and 只有TT才是True
print(True & True)
print(True & False)
print(False & True)
print(False & False)
#真值表 or 有T就是True
print(True | True)
print(True | False)
print(False | True)
print(False | False)
#直值表 not 反轉
print(not True)
print(not False)
#浮點數 float complex decimal
#e 科學符號10的次方
print(10e3)
print(10e-3)
#常數pi
print(math.pi)
#向下轉成最接近整數
print(math.floor(-3.6))
#向上轉成最接近整數
print(math.ceil(-3.6))
#四捨五入
print(round(-3.6,0))
#複數.real 取實數 .imag取虛數
num = 58-3.14j
print(num.real)
print(num.imag)
#虛數正負號轉換
print(num.conjugate())
#decimal https://kirin.idv.tw/python-decimal-module-tutorial/ 千萬別用float decimal only
from decimal import Decimal
a = Decimal(1.15)
print(a)
b = Decimal('1.15')
print(b)
#引數就是輸入值,可以有很多種字串、float等等,不過為了避免"意外",請用字串
c = 1.15
d = Decimal(str(c))
print(d)
#字串單引號 雙引號包起來
print('字串')
print("字串")
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