In your example, you function is expecting ham of type str, and eggs of type str (defaulting to eggs). Background STR (short tandem repeat) refers to a special pattern that exists in DNA sequences, that is, a repeated arrangement of a shorter nucleotide sequence. In terms of individual identification, str detection is widely used in the field of forensic medicine. __str__ if you print an object, or pass it to format, str.format, or str, then if a __str__ method is defined, that method will be called, otherwise, __repr__ will be used.
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The bottom layer of Str () is actually the following two special methods, which will call one of them according to the situation: __str__ The default preferred method. __repr__, a fallback, used when there is no __str__ method. We rewrite the above class as: What are the differences between them, and when should one be used over the other? Is one of them getting deprecated?
2 people agreed with this answer. Int is converted to a number, which is an integer. For example, 1 float is also converted to a number, but the decimal point is retained. For example, 1.1 str is converted from a number to a string, such as 4 is converted to '4'.
Use __str__ if you have a class, and you'll want an. Why does rust have both string and str?
