I get this error:
uTypeError: unsupported operand type(s) for -: 'str' and 'str'
From this code:
print "what is your name?"
x=raw_input()
print "Are you woman or man?"
y=raw_input()
print "how old are you?"
z=raw_input()
print "at what age did you or will you first travel in an plane?"
f=raw_input()
print "This is a story about a ",y," named ",x
print z-f ,"years ago",x, " first took an airplane."
print " the end"
Why?
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