Which_triangle_is_that.md

CodeWars Python Solutions

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Which triangle is that?

Build a function that will take the length of each side of a triangle and return if it's either an Equilateral, an Isosceles, a Scalene or an invalid triangle.

It has to return a string with the type of triangle.

Examples

type_of_triangle(2, 2, 1) --> "Isosceles"

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Given Code

def type_of_triangle(a, b, c):
    # your code here
    pass

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Solution

def type_of_triangle(a, b, c):
    tup = (a,b,c)

    triangle = {1: "Equilateral",
                2: "Isosceles",
                3: "Scalene"}

    if all(isinstance(n, int) for n in tup) and (a+b)>c and (b+c)>a and (a+c)>b:
        msg = triangle.get(len(set(tup)))
    else:
        msg = "Not a valid triangle"

    return msg

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