How to Add Incremental Numbers to a New Column Using Pandas

Question

I have this simplified dataframe:

ID   Fruit
F1   Apple
F2   Orange
F3   Banana 

I want to add in the begining of the dataframe a new colum

Answer 1

For a pandas DataFrame whose index starts at 0 and increments by 1 (i.e., the default values) you can just do:

df.insert(0, 'New_ID', df.index + 880)

if you want New_ID to be the first column. Otherwise this if you don't mind it being at the end:

df['New_ID'] = df.index + 880