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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 Title
Step1:  View Timezones
Step2:  Create Timestamp With Time Zone
Step3:  Create Timestamp Without Time Zone
Step4:  Add Time Zone
Step5:  Convert Time Zone
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Python Code:
# Load libraries
import pandas as pd
from pytz import all_timezones
Explanation: Title: Handling Time Zones
Slug: handling_time_zones
Summary: How to handle timezones for machine learning in Python.   
Date: 2017-09-11 12:00
Category: Machine Learning
Tags: Preprocessing Dates And Times  
Authors: Chris Albon
Preliminaries
End of explanation
# Show ten time zones
all_timezones[0:10]
Explanation: View Timezones
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# Create datetime
pd.Timestamp('2017-05-01 06:00:00', tz='Europe/London')
Explanation: Create Timestamp With Time Zone
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# Create datetime
date = pd.Timestamp('2017-05-01 06:00:00')
Explanation: Create Timestamp Without Time Zone
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# Set time zone
date_in_london = date.tz_localize('Europe/London')
Explanation: Add Time Zone
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# Change time zone
date_in_london.tz_convert('Africa/Abidjan')
Explanation: Convert Time Zone
End of explanation
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