Question

How to round a number down to the nearest 100 in Python

Answer 1

import math 

def roundDownToNearest100(num):
    return math.floor(num / 100) * 100
    
print(roundDownToNearest100(138))

print(roundDownToNearest100(238))

print(roundDownToNearest100(349))
print(roundDownToNearest100(350))
print(roundDownToNearest100(351))

print(roundDownToNearest100(-101))
print(roundDownToNearest100(-109))





'''
run:

100
200
300
300
300
-200
-200

'''

 

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