head() and tail() in Data Analysis Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to show the first 3 rows of the DataFrame.

Data Analysis Python

df.[1](3)

Drag options to blanks, or click blank then click option'

Atail

Bhead

Cshow

Dfirst

Attempts:

3 left

💡 Hint

Common Mistakes

Using tail() instead of head() to get the first rows.

Using show() which is not a pandas DataFrame method.

Using first() which is not a pandas DataFrame method.

The head() method shows the first rows of a DataFrame. Here, head(3) shows the first 3 rows.

2fill in blank

medium

Complete the code to display the last 5 rows of the DataFrame.

Data Analysis Python

df.[1](5)

Drag options to blanks, or click blank then click option'

Atail

Bhead

Cend

Dlast

Attempts:

3 left

💡 Hint

Common Mistakes

Using head() instead of tail() to get the last rows.

Using end() or last() which are not pandas DataFrame methods.

The tail() method shows the last rows of a DataFrame. Here, tail(5) shows the last 5 rows.

3fill in blank

hard

Fix the error in the code to correctly show the first 4 rows of the DataFrame.

Data Analysis Python

df.[1](4)

Drag options to blanks, or click blank then click option'

Atail

Bfirst

Chead

Dshow

Attempts:

3 left

💡 Hint

Common Mistakes

Using tail() instead of head() to get the first rows.

Using show() which is not a pandas DataFrame method.

To show the first 4 rows, use head(4). Using tail(4) shows the last 4 rows, which is incorrect here.

4fill in blank

hard

Fill both blanks to create a dictionary of word lengths for words longer than 3 characters.

Data Analysis Python

{word: [1] for word in words if len(word) [2] 3}

Drag options to blanks, or click blank then click option'

Alen(word)

B<=

C>

Dword

Attempts:

3 left

💡 Hint

Common Mistakes

Using the word itself as the value instead of its length.

Using <= instead of > in the condition.

The dictionary comprehension maps each word to its length using len(word). The condition len(word) > 3 filters words longer than 3 characters.

5fill in blank

hard

Fill all three blanks to create a dictionary with uppercase words as keys, their lengths as values, for words longer than 4 characters.

Data Analysis Python

{ [1]: [2] for word in words if len(word) [3] 4 }

Drag options to blanks, or click blank then click option'

Aword.upper()

Blen(word)

C>

Dword

Attempts:

3 left

💡 Hint

Common Mistakes

Using the original word as key instead of uppercase.

Using <= instead of > in the condition.

Using the word itself as value instead of length.

The dictionary keys are uppercase words using word.upper(). The values are word lengths with len(word). The condition len(word) > 4 filters words longer than 4 characters.