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Add notes about the concepts you've learned and code cells with code you want to keep.

Introduction to Data Science in Python

Run the hidden code cell below to import the data used in this course.

# Importing pandas and numpy
import numpy as np
import pandas as pd

# Importing the course datasets
frequencies = pd.read_csv("datasets/all_frequencies.csv")
records = pd.read_csv("datasets/cell_phone_records.csv")
credit = pd.read_csv("datasets/credit_records.csv")
ransom = pd.read_csv("datasets/ransom.csv")
gravel = pd.read_csv("datasets/shoe_gravel_sample.csv")

seleting colum is very importatnt.

I might need to watch one more time if I forget the concept.

logical statement truth testing statement

# Add your code snippets here