Copie de dataframe
new_dataframe = dataframe.copy(deep = True)
UnAngeloCheSiChiamaTheKing
new_dataframe = dataframe.copy(deep = True)
data_copy = data.copy(deep = False) # any change in original data will be
# imitated in copied data and vice versa
data_copy = data.copy() # modifications in original data will not reflected
# in copied data