QUES: Easily navigate the familiar QWERTY keyboard

correct the punctuation.

CORRECTED: Easily navigate the familiar QWERTY keyboard.

QUES: In order to gain control of the government Mrs Bandaranaike had to form a coalition with a Trotskyite socialist party and that is how these policies which were characterized as practical socialism became part of her administrations program

correct the punctuation.

CORRECTED: In order to gain control of the government Mrs. Bandaranaike had to form a coalition with a Trotskyite socialist party and that is how these policies, which were characterized as "practical socialism", became part of her administration's program.

QUES: In 1834 Jacobi proved that if a singlevalued function of one variable is doubly periodic then the ratio of the periods is imaginary

correct the punctuation.

CORRECTED:
In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.