pandoraxcc

#### Tuple creation #####
# Create a tuple, also called tuple packing.
numbers = 1, 2
print(numbers) # Output: (1, 2) <- Note that it is represented with an enclosing paranthesis
# Create tuple with paranthesis.
numbers = (1, 2, 3)
print(numbers) # Output: (1, 2, 3)
# Create an empty tuple.
numbers = ()
print(numbers) # Output: ()

pandoraxcc

import numpy as np
import pandas as pd

#### creating dataframes, adding and dropping columns

df = pd.DataFrame(np.arange(1,10).reshape(3,3),['A','B','C'],['w','x','y'])
df.columns = ['W','X','Y'] # change column names
df['Z']=df['X']+df['Y'] # new column with values X+Y
df['XX']=df.apply(lambda row: row['X']*2, axis=1) # new column with values twice of column X
df['YY']=1 # new column of ones

pandoraxcc

Hello  (<-- two spaces)
World

Hello
World

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