What Does strip Do in Python The Bug It Fixes

Table of Contents

"Lagos " == "Lagos"

False

a = "Lagos "
b = "Lagos"

len(a), len(b)

(6, 5)

repr(a)

"'Lagos '"

a.strip()

'Lagos'

"  Lagos   State  ".strip()

'Lagos   State'

city = "Lagos "
city.strip()
print(repr(city))

'Lagos '

city = city.strip()
print(repr(city))

'Lagos'

import pandas as pd

df = pd.DataFrame({
    "city": ["Lagos", "Lagos ", "Abuja", " Abuja", "Lagos"],
    "sales": [100, 150, 200, 120, 90]
})

df.groupby("city")["sales"].sum()

city
 Abuja    120
Abuja     200
Lagos     190
Lagos     150
Name: sales, dtype: int64

df["city"] = df["city"].str.strip()

df.groupby("city")["sales"].sum()

city
Abuja    320
Lagos    340
Name: sales, dtype: int64

messy = "   Lagos   "

repr(messy.lstrip())
repr(messy.rstrip())

"'   Lagos'"

line = "Lagos,340\n"
repr(line.rstrip())

"'Lagos,340'"

"scores.csv".strip(".csv")

'ore'

"scores.csv".removesuffix(".csv")

'scores'