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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:
 This is a custom section
This is part of a functional test for rsmtool(or rsmeval) on including custom sections in reports. 
Below we have some random stuff.
Step1:  A header
Step2:  A subheader
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Python Code:
import warnings
Explanation: This is a custom section
This is part of a functional test for rsmtool(or rsmeval) on including custom sections in reports. 
Below we have some random stuff.
End of explanation
warnings.warn("This is a deprecation warning", DeprecationWarning)
Explanation: A header
End of explanation
warnings.warn("This is a syntax warning", SyntaxWarning)
x = 5
warnings.warn("This is a unicode warning", UnicodeWarning)
Explanation: A subheader
End of explanation
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