Answers for "change all columns in dataframe to string"

pandas change column to a string

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

change all columns in dataframe to string

for colname in df.columns:
            try:
                df[colname] = df[colname].astype('str')
                print(f"{colname} converted")
            except ValueError:
                print(f"{colname} failed")

modify string in column pandas

# Some of operations look like
df['B'] = df['B'].str.replace('replace_this', 'new_character')
df['B'] = df['B'].astype(int)
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