a=int(input('enter the number upto odd number u want:')) by python
for i in range(a+1):
if i%2==1:
print(i,end='')
print()
output
enter the number upto odd number u want:100
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
93
95
97
99