insertion sort

[viku361]

how to sort an array without using sort function?
I have the code please tell me what is the error in this code

x = []
n = input("enter length")
for i in range(int(n)):
    k = input("enter value")
    x.append(k)
print(x)
for j in range(1,len(x)):
    k=x[j]
    i=j-1
    while (i>0 and x[i]>k):
        x[i+1]=x[i]
        i=i-1

    x[i+1]=k
      
print(x)