Python program to find all prime number up to given number

Write a program in python to find all prime number up to given number

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n=int(input("Enter any Number (Upper Limit) : "))

for a in range(1,n+1):

    k=0

    for x in range(2,a//2+1):

        if a%x==0:

            k=k+1

    if k==0:

        print(a)

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Output:-

Enter any Number (Upper Limit) : 55

1

2

3

5

7

11

13

17

19

23

29

31

37

41

43

47

53