FAQ: Learn Python – Strings & Console Output – str()



This community-built FAQ covers the “str()” exercise in Codecademy’s lessons on Python.

FAQs for the Codecademy exercise str():

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Hi there. What’s the difference for the positioning of the string syntaxes?


parrot = “Norwegian Blue”

print parrot.len()
print parrot.upper()
print str(parrot)

I noticed that for the other string syntax, they’re placed after the variable. While for some variables, they’re placed inside the string syntax.


I may be going too far ahead, but this surprised me a bit.

Why does this work

  pi = 3.14
    print pi
    print str(pi)

returning 3.14 for both print instructions (as expected),

but this

  pi = "3.14"
    print pi
    print int(pi)

returns the error “ValueError: invalid literal for int() with base 10: ‘3.14’”?

If the second print command is modified to


then it returns no error and prints 3.14 and 3 as expected.

Can’t Python produce an integer directly from a string that contains a float?