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Lernen Numbers | Common data types
Learn Python from Scratch

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Numbers

As you may notice, despite having two integer numbers, Python somehow classified them with different types: one of them is int, while another is float. Also, there is one more numeric type in Python. Let's consider all of them:

  • int - refers to integer numbers (i.e. 3, -1, 1003 etc);

  • float - refers to real numbers (i.e. 2.8, 3.333, 3.0 etc);

  • complex - refers to complex numbers (i.e. 3+2j).

To make Python understand that you want to assign to a variable specific type, use int() for converting to an integer, float() - to real, complex() - to complex.

Returning to our question above, Python assigned float type to variable days as it wants to "play it safe", insofar as the division of two integers is not a compulsory integer (unlike multiplication, subtraction, or addition).

Aufgabe

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The distance between San Francisco and New York is about 4677.4 km (by roads). This value is saved in dist_km variable. Your tasks are:

  1. Convert the distance to miles by diving distance in kilometers by 1.609 (approximately). Save the result within dist_mi variable.

  2. Output the value of dist_mi.

  3. Convert dist_mi into integer, and output this value.

Lösung

Switch to desktopWechseln Sie zum Desktop, um in der realen Welt zu übenFahren Sie dort fort, wo Sie sind, indem Sie eine der folgenden Optionen verwenden
War alles klar?

Wie können wir es verbessern?

Danke für Ihr Feedback!

Abschnitt 3. Kapitel 2

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book
Numbers

As you may notice, despite having two integer numbers, Python somehow classified them with different types: one of them is int, while another is float. Also, there is one more numeric type in Python. Let's consider all of them:

  • int - refers to integer numbers (i.e. 3, -1, 1003 etc);

  • float - refers to real numbers (i.e. 2.8, 3.333, 3.0 etc);

  • complex - refers to complex numbers (i.e. 3+2j).

To make Python understand that you want to assign to a variable specific type, use int() for converting to an integer, float() - to real, complex() - to complex.

Returning to our question above, Python assigned float type to variable days as it wants to "play it safe", insofar as the division of two integers is not a compulsory integer (unlike multiplication, subtraction, or addition).

Aufgabe

Swipe to start coding

The distance between San Francisco and New York is about 4677.4 km (by roads). This value is saved in dist_km variable. Your tasks are:

  1. Convert the distance to miles by diving distance in kilometers by 1.609 (approximately). Save the result within dist_mi variable.

  2. Output the value of dist_mi.

  3. Convert dist_mi into integer, and output this value.

Lösung

Switch to desktopWechseln Sie zum Desktop, um in der realen Welt zu übenFahren Sie dort fort, wo Sie sind, indem Sie eine der folgenden Optionen verwenden
War alles klar?

Wie können wir es verbessern?

Danke für Ihr Feedback!

Abschnitt 3. Kapitel 2
Switch to desktopWechseln Sie zum Desktop, um in der realen Welt zu übenFahren Sie dort fort, wo Sie sind, indem Sie eine der folgenden Optionen verwenden
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