yes, i m agree. = Yes, I agree.

Summer is good seson of the year. Because summer is hot and cool. = Summer is the best season of the year because it has both hot and cool weather.

so summer is best seson in year. = This simple reason made it the best season of all.

spring is little cold. fall is same the spring. and winter is very very cold. so i like summer. = During spring, it's still cold and fall is just the same as spring. On the other hand, it's very very cold in winter so I like summer.

summer is go to water prak. = I go to water park every summer.

NOTE: Creative writing, Nain. Good job!