2D Список понимания Python
[[float(c) for c in row] for row in data]
Bored Coder
[[float(c) for c in row] for row in data]#by taking the user input
def main():
#write your code here
row = int(input())
col = int(input()
#using the list comprehensions
matrix = [[int(input())for j in range(col)]for j in range(row)]
#display the matrix
for i in range(row):
for j in range(col):
print(matrix[i][j],end=" ")
print()
if __name__ == "__main__":
main()
[int(x) for line in data for x in line.split()]