Python | True Record

Sometimes, while working with Python, we can have a problem in which we have a record and we need to check if it contains all valid values. This kind of problem is common in data preprocessing steps. Let’s discuss certain ways in which this task can be performed.

Method #1 : Using `not + any() + map()` + lambda
Combination of above functions can be used to perform this task. In this, we check for any element using `any()` and extension of logic is done by `map()` and lambda.

 `# Python3 code to demonstrate working of ` `# True Record ` `# using any() + map() + lambda + not ` ` `  `# initialize tuple ` `test_tup ``=` `(``True``, ``True``, ``True``, ``True``) ` ` `  `# printing original tuple ` `print``(``"The original tuple : "` `+` `str``(test_tup)) ` ` `  `# True Record ` `# using any() + map() + lambda + not  ` `res ``=` `not` `any``(``map``(``lambda` `ele: ``not` `ele, test_tup)) ` ` `  `# printing result ` `print``(``"Is Tuple True ? : "` `+` `str``(res)) `

Output :

```The original tuple : (True, True, True, True)
Is Tuple True ? : True
```

Method #2 : Using `all()`
This checks for truthness of all elements of tuple using all(), returns True if there is no False element.

 `# Python3 code to demonstrate working of ` `# True Record ` `# using all() ` ` `  `# initialize tuple ` `test_tup ``=` `(``True``, ``True``, ``True``, ``True``) ` ` `  `# printing original tuple ` `print``(``"The original tuple : "` `+` `str``(test_tup)) ` ` `  `# True Record ` `# using all() ` `res ``=` `all``(test_tup) ` ` `  `# printing result ` `print``(``"Is Tuple True ? : "` `+` `str``(res)) `

Output :

```The original tuple : (True, True, True, True)
Is Tuple True ? : True
```

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