[Python] What is the difference between writing in one and two lines when transporting a...

If the replacement of elements is written in two lines, then the matrix is transported incorrectly

x=[[i for i in list(map(int,input().split()))]
for _ in range(int(input()))]
print("Result:")
for i in range(len(x)):
for j in range(i,len(x)):
if i>0:
j-=1
x[j]=x[j]
x[j]=x[j]
[print(*i) for i in x]



Input: 3 1 2 3 4 5 6 7 8 9

Result: 1 4 7 4 5 6 7 6 9

If the replacement of elements is written in one line, then the transportation of the matrix occurs correctly

x=[[i for i in list(map(int,input().split()))]
for _ in range(int(input()))]
print("Result:")
for i in range(len(x)):
for j in range(i,len(x)):
x[j],x[j]=x[j],x[j]
[print(*i) for i in x]


Input: 3 1 2 3 4 5 6 7 8 9

Result: 1 4 7 2 5 8 3 6 9

Why is this happening? I don't understand the difference

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