x = 50
def func(x):
    print('x is', x)
    x = 2
    print('Changed local x to', x)
func(x)

import ___________ # statement 1
rec = []
while True:
    rn = int(input("Enter"))
    nm = input("Enter")
    temp = [rn, nm]
    rec.append(temp)
    ch = input("Enter choice (Y/N)")
    if ch.upper() == "N":
        break
f = open("stud.dat", "____________") # statement 2
__________.dump(rec, f) # statement 3
f.close() # statement 4

Integer a
Set a = 5
do
    print a - 2
    a = a - 1
while (a != 0)
end while