Question

How to set width and precision format for decimal value in Python

Answer 1

import decimal
 
d = decimal.Decimal(1.1)     

print('{:20.1f} {:20.1g}'.format(d, d))    
print('{:20.2f} {:20.2g}'.format(d, d))  
print('{:20.19f} {:20.19g}'.format(d, d))  




'''
run:

                 1.1                    1 
                1.10                  1.1 
1.1000000000000000888 1.100000000000000089

'''

 

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