PySpark displaying limited columns from a dataframe

pyspark-beginers.py

# having started spark journey everything is a discovery for me so jolting few notes

df = sqlContext.createDataFrame([{'name': 'Alice', 'age': 1, 'gender' : 'F'}])

# display all the columns
df.show()

# limit to few
df.select('name', 'age').show()

# another way
df['name', 'age'].show()