n=int (input("enter no"))
for i in range(1,n,1):
print(i,end=" ")

enter no100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
>

Online Python Compiler (Interpreter)
https://www.programiz.com/python-programming/online-compiler/

x=int(input("enter a number "))
for i in range(2,x):
if x%i==0:
print("not prime ")
break
else:
print("prime")
break

enter a number 7
prime
>

Hello