# Creating an empty dataframe
result_df <- data.frame()

# Iterating over the numbers 1 to 3
for (i in 1:3) {
  # Create a new column and populate it with values of i
  result_df[, paste0("Column", i)] <- i
}

我希望有以下填充的数据框架：

Column1 Column2 Column3
1       1       2       3