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databyjp/pandas_manipulation_assign_eg1.py

Created March 18, 2020 10:16
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pandas_manipulation_assign_eg1.py
# Avoid accidentally modifying the source object
nf_df = pd.read_csv('srcdata/netflix_titles.csv')
nf_test1_df = nf_df
nf_test1_df['like'] = True
print(len(nf_df.columns))
nf_df = pd.read_csv('srcdata/netflix_titles.csv')
nf_test2_df = nf_df
nf_test2_df = nf_test2_df.assign(like=True)
print(len(nf_df.columns))
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