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Python math library | exp() method

Last Updated : 7 Feb, 2023

Python has math library and has many functions regarding it. One such function is exp(). This method is used to calculate the power of e i.e. e^y or we can say exponential of y. The value of e is approximately equal to 2.71828…..

Syntax : math.exp(y) 
Parameters : y [Required] - It is any valid python number either positive or negative. Note that if y has value other than number then its return error. 
Returns: Returns floating point number by calculating e^y.

Time Complexity: O(1)
Auxiliary Space: O(1)

Code # 1: 

Output:
54.598150033144236
0.049787068367863944
1.0

  Code #2: 

Output:
23.140692632779267
15.154262241479262

Code #3: TypeError 

Output:

Traceback (most recent call last):
 File "/home/c7ae4f1bef0ed8c7756b3f55e7d2ce81.py", line 6, in 
 print (math.exp("25"))
TypeError: a float is required
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