Even nuumber are those number which on divide by 2 leaves a remainder of 0
like 0,2,4,6,.........
program to display even number upto 20 -
#first way
print("By for loop, even number upto 20")
for i in range(21):
if i%2==0:
print(i,end=" ")
#second way
print("nBy while loop,even number upto 20")
i=0
while(i<=20):
print(i,end=" ")
i=i+2
By for loop, even number upto 20
0 2 4 6 8 10 12 14 16 18 20
By while loop,even number upto 20
0 2 4 6 8 10 12 14 16 18 20