mobile typing isn't scored — practice only
from dataclasses import dataclass
Python · general · type the snippet below to practice
def fib(n):
a, b = 0, 1
for _ in range(n):
a, b = b, a + b
return a
about this snippet
This is the dataclass snippet in Python — 10 lines of real Python code that exercises common patterns you'll see in production. DeveloperType scores you on net WPM and accuracy and only counts runs above 95% accuracy on the leaderboard, so practice rewards precision, not speed alone.
view source (10 lines)
from dataclasses import dataclass
@dataclass(frozen=True)
class Point:
x: float
y: float
def distance(self, other):
return ((self.x - other.x) ** 2 + (self.y - other.y) ** 2) ** 0.5
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