The %f formatter is used to format floats (numbers with decimals). Here we format it as %4.2f where 4
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brand = ‘Apple’ exchangeRate = 1.235235245 message = ‘The price of this %s laptop is %d USD and the exchange rate is %4.2f USD to 1 EUR’ %(brand, 1299, exchangeRate)
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Peter’.upper() will give us the string “PETER
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Peter” + “Lee” is equivalent to the string “PeterLee”
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To declare a string, you can either use variableName = ‘initial value’ (single quotes) or variableName = “initial value” (double quotes)
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Instead of writing x = x + 2, we can also write x += 2
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Modulus: x%y = 1 (gives the remainder when 5 is divided by 2)
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variable names are case sensitive. username is not the same as userName
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We can also define multiple variables at one go. To do that simply write userAge, userName = 30, ‘Peter’ This is equivalent to userAge = 30 userName = ‘Peter