import math
xa = float(input("xa: "))
ya = float(input("ya: "))
xb = float(input("xb: "))
yb = float(input("yb: "))

d = math.sqrt((xb-xa)**2 + (yb-ya)**2)

print(round(d,3))
e68672b38e76890edeee792f38c324df7290dfc4
<mask token>

<mask token>
print(round(d, 3))

<mask token>
xa = float(input('xa: '))
ya = float(input('ya: '))
xb = float(input('xb: '))
yb = float(input('yb: '))
d = math.sqrt((xb - xa) ** 2 + (yb - ya) ** 2)
print(round(d, 3))

import math
xa = float(input('xa: '))
ya = float(input('ya: '))
xb = float(input('xb: '))
yb = float(input('yb: '))
d = math.sqrt((xb - xa) ** 2 + (yb - ya) ** 2)
print(round(d, 3))

import math
xa = float(input("xa: "))
ya = float(input("ya: "))
xb = float(input("xb: "))
yb = float(input("yb: "))

d = math.sqrt((xb-xa)**2 + (yb-ya)**2)

print(round(d,3))