Write a python program to print all even numbers between 1 to 100

In this post, you will learn how to write a Python program to print all even numbers between 1 to 100 using the for loop, while loop and if-else statement. Such a type of question is generally asked in a logical programming interview.

Print even numbers between 1 to 100 using a for loop

In the given Python program, we have iterated from start 1 to 100 using a loop and checked each value, if num % 2 == 0. If the condition is satisfied, i.e., num % 2 == 0 is true, then only print the number.

# Python program to print Even Numbers in given range
  
start, end = 1, 100
  
# iterating each number in list
for num in range(start, end + 1):
      
    # checking condition
    if num % 2 == 0:
        print(num, end = " ")

Output of the above code:

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 

Print even numbers between 1 to 100 using a for loop without if statement

We started the range from 2 and used the counter value of 2 in the given Python program to print even numbers between 1 to 100.

# Python program to print Even Numbers from 1 to 100

max = 100

for num in range(2, max+1, 2):
    print("{0}".format(num))

Output of the above code:

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100

Print even numbers between 1 to 100 using a while loop

In the given Python program, we have applied the same logic as above, we just replaced the for loop with a while loop.

# Python program to print Even Numbers in given range
# using while loop

max = 100
num = 1

while num <= max:
    if(num % 2 == 0):
        print("{0}".format(num))
    num = num + 1

Output of the above code:

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 

Print even numbers between 1 to 100 using a while loop without if statement

In the given Python program, we have used a while loop to check weather the num variable is less than or equal to 100. If the condition satisfies, then only the rest of the code will be executed, else not.

num = 2
while num <= 100:
    print(num)
    num = num + 2

Output of the above code:

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100

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