PYTHON

pandas change column to a string

total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)

how to change column type to string in pandas

# Convert "Fee" from int to string
df = df.astype({'colomnName':'string'})
print(df.dtypes)

convert certain columns to string pandas

# column names which need to be string
lst_str_cols = ['prefix', 'serial']
dict_dtypes = {x: 'str' for x in lst_str_cols}
pd.read_csv('sample.csv', dtype=dict_dtypes)