Write a function to find the third angle of a triangle using two angles.
def find_angle(a,b):
 c = 180 - (a + b)
 return c

<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to find the third angle of a triangle using two angles.
def find_angle(a,b):
 c = 180 - (a + b)
 return c
[/INST]assert find_angle(47,89)==44
assert find_angle(45,95)==40
assert find_angle(50,40)==90</s>