// part 1 - a conditional in parentheses
// part 2 - a true part (if the condition is true)
// part 3 (optional) - an else part

if (score >= 70)
    grade = 'P';
else
    grade = 'F';

a < b //: is a less than b?
a > b //: is a greater than b
a <= b //: is a less than or equal to b
a >= b //: is a greater than or equal to b
a == b //: is a equal to b
a != b //: is a not equal to b

///////////////////////////

a: 5,
b: 6,
c: 7,

c // True
0 // False
a < b // True
a == b // False
a != 6 // True
c >= 7 //True
(a+b) > c // True
!(a<b) // False