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import pandas as pd
pd.set_option('display.max_colwidth', None)#None, # or value like: 1500, 400 ...
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import pandas as pd
pd.set_option('display.max_rows', 10)
pd.set_option('display.max_columns', 50)
pd.set_option('display.width', 1500)
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import pandas as pd
import numpy as np
df = pd.DataFrame({'A': ['abc', 'de', 'abcd'],
'B': ['a', 'abcde', 'abc'],
'C': [1, 2.5, 1.5]})
measurer = np.vectorize(len)
# All Columns
res1 = dict(zip(df, measurer(df.values.astype(str)).max(axis=0)))
{'A': 4, 'B': 5, 'C': 3}
# Columns that only data type = object
df_object = df.select_dtypes(include=[object])
res2 = dict(zip(df_object, measurer(df_object.values.astype(str)).max(axis=0)))
{'A': 4, 'B': 5}
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res1 = dict(zip(df, measurer(df.values.astype(str)).max(axis=0)))
{'A': 4, 'B': 5, 'C': 3}
df_object = df.select_dtypes(include=[object])
res2 = dict(zip(df_object, measurer(df_object.values.astype(str)).max(axis=0)))
{'A': 4, 'B': 5}