Write a function named standardize_weight that takes in as input a string and returns an integ The function will do the following (in the order specified): 1) convert all characters of the string into lowercase 2) strip the string of all leading and trailing whitespace 3) replace any occurences of 'Ibs' with " (remove it from the string) 4) replace any occurences of 'Ib' with " (remove it from the string) 5) replace any occurences of 'pounds' with " (remove it from the string) . 6) If the string contains the substring 'kg', then: 6.1) replace 'kg' with " 6.2) strip the string of whitespace 6.3) cast the string into a float type using the function float() 6.4) multiply the resulting float by 2.2 (an approximate conversion of kilograms to pounds) 8) try to return the int of your string. If it cannot, return np.nan. ■

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Write a function named standardize_weight that takes in as input a string and returns an intege
The function will do the following (in the order specified):
1) convert all characters of the string into lowercase
2) strip the string of all leading and trailing whitespace
3) replace any occurences of 'Ibs' with " (remove it from the string)
4) replace any occurences of 'lb' with " (remove it from the string)
5) replace any occurences of 'pounds' with " (remove it from the string)
6) If the string contains the substring 'kg', then:
6.1) replace 'kg' with "
6.2) strip the string of whitespace
6.3) cast the string into a float type using the function float()
6.4) multiply the resulting float by 2.2 (an approximate conversion of kilograms to pounds)
8) try to return the int of your stri
If it cannot, return np.nan .
I # YOUR CODE HERE
def standardize_weight(weight):
weight =
weight = weight.strip()
weight.lower()
weight
weight
weight = weight.replace('pounds', '')
weight.replace('lbs', '')
weight.replace('lb',
%3D
%3D
if 'kg' in weight:
weight
weight
weight = float(weight)
weight = weight * 2.2
weight.replace('kg', '')
weight.strip()
try:
weight = int(string)
return weight
except ValueError:
return np.nan
I assert standardize_weight('34 lbs') == 34
assert standardize_weight('101 kg')
== 222
NameError
Traceback (most recent call last)
<ipython-input-40-2de5a580153e> in <module>
----> 1 assert standardize_weight('34 lbs')
2 assert standardize_weight('101 kg')
34
== 222
<ipython-input-39-2c28c1b42efe> in standardize_weight(weight)
16
Transcribed Image Text:Write a function named standardize_weight that takes in as input a string and returns an intege The function will do the following (in the order specified): 1) convert all characters of the string into lowercase 2) strip the string of all leading and trailing whitespace 3) replace any occurences of 'Ibs' with " (remove it from the string) 4) replace any occurences of 'lb' with " (remove it from the string) 5) replace any occurences of 'pounds' with " (remove it from the string) 6) If the string contains the substring 'kg', then: 6.1) replace 'kg' with " 6.2) strip the string of whitespace 6.3) cast the string into a float type using the function float() 6.4) multiply the resulting float by 2.2 (an approximate conversion of kilograms to pounds) 8) try to return the int of your stri If it cannot, return np.nan . I # YOUR CODE HERE def standardize_weight(weight): weight = weight = weight.strip() weight.lower() weight weight weight = weight.replace('pounds', '') weight.replace('lbs', '') weight.replace('lb', %3D %3D if 'kg' in weight: weight weight weight = float(weight) weight = weight * 2.2 weight.replace('kg', '') weight.strip() try: weight = int(string) return weight except ValueError: return np.nan I assert standardize_weight('34 lbs') == 34 assert standardize_weight('101 kg') == 222 NameError Traceback (most recent call last) <ipython-input-40-2de5a580153e> in <module> ----> 1 assert standardize_weight('34 lbs') 2 assert standardize_weight('101 kg') 34 == 222 <ipython-input-39-2c28c1b42efe> in standardize_weight(weight) 16
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