Question $1$

data exam$1$a;

input var$1$ comma$5\mathrm{.}3$

$+1$ var$2$ hhmmss $6.$

Var$33.$ ;

datalines;

$$1\mathrm{.}2340000100012345$

$1,2340010000123456$

$(234)1010101-2\mathrm{.}345$

;

Run;

$//$

data exam$1$b;

informat var$1$ comma$6\mathrm{.}1$;

length var$3$ $$6$;

input var$3$ var$2$ : hhmmss$6.$

Var$1$ ;

datalines;

$123,400,000020123456$

$1,234\mathrm{.}56,00101,1234\mathrm{.}67$

$001001123$

;

Run;

$//$