Create a valid expression for the following logic statement.
The temperature outside is greater than 20 and the sky is cloudy.
`(temperature > 20) and (sky == 'cloudy')`
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a valid expression for the following logic statement.

### Input:
The temperature outside is greater than 20 and the sky is cloudy.

### Output:
`(temperature > 20) and (sky == 'cloudy')`