﻿ Python Math: Calculate surface volume and area of a cylinder - w3resource # Python Math: Calculate surface volume and area of a cylinder

## Python Math: Exercise-5 with Solution

Write a Python program to calculate surface volume and area of a cylinder.
Note: A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder.

Sample Solution:-

Python Code:

``````pi=22/7
height = float(input('Height of cylinder: '))
print("Volume is: ", volume)
print("Surface Area is: ", sur_area)
```
```

Sample Output:

```Height of cylinder: 4
Volume is:  452.57142857142856
Surface Area is:  377.1428571428571
```

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## Python: Tips of the Day

Python: Get the Key Whose Value Is Maximal in a Dictionary

```>>> model_scores = {'model_a': 100, 'model_z': 198, 'model_t': 150}
>>> # workaround
>>> keys, values = list(model_scores.keys()), list(model_scores.values())
>>> keys[values.index(max(values))]
'model_z'
>>> # one-line
>>> max(model_scores, key=model_scores.get)
'model_z'
```