#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Triangle Project Code.

# Triangle analyzes the lengths of the sides of a triangle
# (represented by a, b and c) and returns the type of triangle.
#
# It returns:
#   'equilateral'  if all sides are equal
#   'isosceles'    if exactly 2 sides are equal
#   'scalene'      if no sides are equal
#
# The tests for this method can be found in
#   about_triangle_project.py
# and
#   about_triangle_project_2.py
#
def triangle(a, b, c):
    if (a <= 0 or b <= 0 and c <= 0):
        raise TriangleError()
    
    if (a == b and b == c and c == a):
        return 'equilateral'
    elif (a == b or b == c or c == a):
        return 'isosceles'
    elif (a != b and b != c and c != a):
        return 'scalene'

# Error class used in part 2.  No need to change this code.
class TriangleError(Exception):
    pass

#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Triangle Project Code.

# Triangle analyzes the lengths of the sides of a triangle
# (represented by a, b and c) and returns the type of triangle.
#
# It returns:
#   'equilateral'  if all sides are equal
#   'isosceles'    if exactly 2 sides are equal
#   'scalene'      if no sides are equal
#
# The tests for this method can be found in
#   about_triangle_project.py
# and
#   about_triangle_project_2.py
#
def triangle(a, b, c):
    if (a <= 0 or b <= 0 and c <= 0):
        raise TriangleError()
    
    if (a == b and b == c):
        return 'equilateral'
    elif (a == b or b == c or c == a):
        return 'isosceles'
    else:
        return 'scalene'

# Error class used in part 2.  No need to change this code.
class TriangleError(Exception):
    pass

Simplify logic conditionals as tests still pass.
Simplify logic conditionals as tests still pass.
