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Main Page → Exercises → Python → Solve an Exercise

if_else_translation

Language/Type: Python boolean logic expressions

Translate each of the following English statements into logical tests that could be used in an if/else statement. Write the appropriate logical test for each statement below. Assume that three int variables, x, y, and z, have already been declared.

z is odd
`z % 2 != 0` `z % 2 == 0` `z == 2` `z // 2 == 0` `z * 2 == 0` (order shuffled)
z is not greater than y's square root
`!z > y * y` `z !> sqrt(y)` `z <= math.sqrt(y)` `z > math.sqrt(y)` `z * z < y` (order shuffled)
y is positive
`y >= 0` `y != 0` `y > 0` `y < 0` `y == 0` (order shuffled)
Either x or y is even, and the other is odd
`x % 2 == 0 and y % 2 == 1 and x % 2 == 1 and y % 2 == 0` `y % 2 == x % 2` `(x + y) % 2 == 0` `x % 2 == 0 or y % 2 != 0 or x % 2 != 0 or y % 2 == 0` `x % 2 != y % 2` (order shuffled)
y is a multiple of z
`y // z != 0` `z % y == 0` `y // z == 0` `y % z == 0` `y - z == 0` (order shuffled)
z is not zero
`z >< 0` `z != 0` `z <> 0` `z < 0 and z > 0` `!z == 0` (order shuffled)
y is greater in magnitude than z
`y > z or y < z` `math.abs(y) > z` `y > z and y < z` `y < math.abs(z)` `math.abs(y) > math.abs(z)` (order shuffled)
x and z are of opposite signs
`x < 0 and z > 0` `x < 0 or z < 0` `(x < 0) == (z < 0)` `x >= 0 and z < 0` `x * z < 0` (order shuffled)
y is a nonnegative one-digit number
`y // 10 != 0` `y > 10` `y == y % 10` `10 % y == 0` `y == y // 10` (order shuffled)
z is nonnegative.
`z != 0` `z // 0 == 1` `z < 0` `z % 0 < 0` `z >= 0` (order shuffled)
x is even
`x > 0` `x % 2 == 1` `x % 2 == 0` `x // 2 == 0` `x % 10 != 0` (order shuffled)
x is closer in value to y than z is
`math.abs(x - y) < math.abs(z - y)` `math.abs(x - y - z) < 0` `y - x < z - x` `y - x == z` `x - y < z` (order shuffled)

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