iloc is used for integer-based indexing. | loc is used for label-based indexing. |
| It allows to access rows and columns using integer indices, where the first row or column has an index of 0. | It allows to access rows and columns using their labels (index or column names). |
With iloc, the end index/position in slices is excluded when given as start:end. | With loc, both the start label and end label are included when given as start:end. |
The syntax is df.iloc[row_index, column_index]. | The syntax is df.loc[row_label, column_label]. |