Python does not support a character type treated as strings of length 1, thus also consider a substring.
To access substrings, use the square brackets for slicing along with the index or indices to obtain your substring.
For example
#!/usr/bin/python
var1 = 'Hello World!'
var2 = "Python Programming"
print "var1[0]: ", var1[0]
print "var2[1:5]: ", var2[1:5]
When the above code is executed, it produces the following result
var1[0]: H
var2[1:5]: ytho
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