它是負零(-0)?【難度:1級】:
答案1:
def is_negative_zero(n):
return str(n) == '-0.0'
答案2:
def is_negative_zero(n):
return str(n) == "-0.0"
答案3:
def is_negative_zero(n):
return str(n) == '-0.0'
pass
答案4:
def is_negative_zero(n):
return (str(n) == '-0.0')
答案5:
def is_negative_zero(n):
return str(n) == ('-0.0')
答案6:
def is_negative_zero(n):
return str(n) == ("-0.0")
答案7:
def is_negative_zero(n):
return (str(n)) == '-0.0'
答案8:
def is_negative_zero(n):
return(str(n) == "-0.0")
答案9:
import math
def is_negative_zero(n):
return n == 0 and math.copysign(1, n) == -1
答案10:
import math
def is_negative_zero(n):
return math.atan2(-0.0, -0.0) == math.atan2(n, n)
答案11:
def is_negative_zero(n):
return str(n) == str(-0.0)
答案12:
def is_negative_zero(n):
return (str(n) == str(-0.0))
答案13:
def is_negative_zero(n):
return str(n) == str('-0.0')
答案14:
def is_negative_zero(n):
return True if n == 0 and str(n).startswith('-') else False
答案15:
def is_negative_zero(n):
return str(n).startswith("-") and n == 0
答案16:
def is_negative_zero(n):
if str(n) == '-0.0':
return 1
else:
return 0
答案17:
import struct
def is_negative_zero(n):
return struct.pack('>d', n) == b'\x80\x00\x00\x00\x00\x00\x00\x00'
答案18:
is_negative_zero=lambda n:(str(n)[0]=='-')and not n
答案19:
def is_negative_zero(n):
return True if "-" in str(n) and n == 0 else False
答案20:
def is_negative_zero(n):
return True if '-' in str(n) and n == 0 else False
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