Assignment $1-$ Data Munging with Python

Problem $1$ Create dataframe

Import all the packages you need. Write the code in the answering cell to create the dataframe as shown in the follow picture:

$[7]$: #don't write the code here

$[7]$:

$[3]$: #import packages:

$[1]$: # write your codes here:

$[]$:

Problem $2$ Filling in for missing values