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Python Math: Get the length and angle of a complex number

Python Math: Exercise-34 with Solution

Write a Python program to get the length and the angle of a complex number.

Sample Solution:-

Python Code:

import cmath
cn = complex(3,4)
#length of a complex number. 
print("Length of a complex number: ", abs(cn))
# gets angle. return in radians, between  [-π, π]
print("Complex number Angle: ",cmath.phase(0+1j) )

Sample Output:

Length of a complex number:  5.0                                                                              
Complex number Angle:  1.5707963267948966 

Flowchart:

Flowchart: Get the length and angle of a complex number

Python Code Editor:

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Previous: Write a Python program to add, subtract, multiply and division of two complex numbers.
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Python: Tips of the Day

Getting rid of unwanted characters:

You can get rid of whitespaces or any specific character using strip methods in Python. You can use either plain strip for both sides, lstrip for the left side and rstrip for the right side only.

str="+++Welcome python+++"
str.strip()

print(str)

Output:

+++Welcome python+++