WorksheetsPandas-Series
Total questions: 15
Worksheet time: 8mins
Which is true for series.
Size is mutable,Values is mutable
size is immutable,values is mutable
size is mutable,values is immutable.
none
Series.tail(3) will return how many values.
3 values from front
3 values from last
5 values
none
Series in Pandas is
1 Dimensional Array
2 Dimensional array
3 Dimensional array
none of above
Which is not a feature of series
Homogeneous data
Immutable size
Mutable data
Multiple rows
Series can be created from
Array
Dictionary
Scatter value
All of them
Which package should be needed for series
Maths
Statistic
Pandas
Random
Full form of NaN is
Not a Null
Not a Number
Not a Numeric
None of these
Data structures in Pandas can be mutated in the terms of ____ but not of _____.
size, value
value, size
semantic, size
none of the above
pandas is a:
Data Structure
Series
Dataframe
Library
Write the output for the following:
import pandas as pd1
s = pd1.Series(5, index=[0, 1, 2, 3])
print(s)
0 5
0 5
1 5
2 5
3 5
dtype: int64
1 5
2 5
2 5
4 5
dtype: int64
0 5
1 5
2 5
3 5
dtype: object
write the output:
import pandas as pd1
s = pd1.Series([1,2,3])
t = pd1.Series([1,2,4])
u=s-t
print (u)
0 1
1 0
2 1
dtype: int64
0 0
1 0
2 1
dtype: int64
0 0
1 0
2 -1
dtype: float64
0 0
1 0
2 -1
dtype: int64
write the output:
import pandas as pd
s=pd.Series([1,2,3,4],index=['a','b','c','d'])
print(s.iloc[2:4])
b 2
c 3
d 4
dtype: int64
b 3
c 4
dtype: int64
c 3
d 4
dtype: int64
none of the above
Give the output of the following code:
>>>import pandas as pd
>>>dict1 = {'AR' : 100, 'VR' : 200, 'AI' : 300}
>>>ser = pd.Series(dict1)
>>>print(ser[1])
AR
100
VR
200
Let us suppose ser is a series. What will be the print statement to display last 3 elements?
print(ser.head(3))
print(ser.tail(3))
print(ser.head())
print(ser.tail())
What will be the print statement to display the elements of a series series1 from end till beginning in step 2?
print(series1[::-2])
print(series1[::2])
print(series1[:-2:])
print(series1[:2:])
