extract first letter of column python
df['new_col'] = df['First'].astype(str).str[0] df Out[29]: First Second new_col 0 123 234 1 1 22 4353 2 2 32 355 3 3 453 453 4 4 45 345 4 5 453 453 4 6 56 56 5
extract first letter of column python
df['new_col'] = df['First'].astype(str).str[0] df Out[29]: First Second new_col 0 123 234 1 1 22 4353 2 2 32 355 3 3 453 453 4 4 45 345 4 5 453 453 4 6 56 56 5
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