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Operators on different types behave differently in Python.
On integers it just sums up the integers
print(5 + 8)
It will print
While on strings it paste together(joins) the strings. To print the full name of person having first name as
John and last name as
print("John" + " " + "Barley")
" " here, it adds space while joining the strings. It will print
Now since we know the
+ operator we can print a message like this:
print("BMI is " + 25)
Run above code in the notebook. Did it run?
This will not work as you cannot simply sum strings and integers.
How do we fix it then?
To fix this error, you'll need to explicitly convert
25, which is an integer, to a string. You'll need
str() to convert a value into a string.
str(25) will convert the integer
25 to a string.
Pro Tip - Remember, we can only add variables of same data types
bmiwith 25 interger value in it
print("BMI is " + bmi)on the notebook on the right hand side. Try to understand error message.
bmito a string and assign it to
"BMI is "and
bmi_strand assign the result to
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