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pandas apply

import pandas as pd

s = pd.Series([1,2,3,4,5])
  
# adding 5 to each value
new = s.apply(lambda num : num + 5)
  
# printing elements of old and new series
print(s.head().values,"
",new.head().values)
#  [1 2 3 4 5] 
#  [6 7 8 9 10]
Comment

pandas dataframe apply

df = pd.DataFrame([[4, 9]] * 3, columns=['A', 'B'])
df.apply(np.sqrt)
#     A    B
#0  2.0  3.0
#1  2.0  3.0
#2  2.0  3.0
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