typeerror-string-indices-must-be-integers

TypeError: string indices must be integers

Reproduce

text = "hello"

idx = "1"
print(text[idx])

Error message

TypeError: string indices must be integers, not 'str'

Fix

text = "hello"

idx = int("1")
print(text[idx])

Reflection

I passed a string variable as an index without realizing it.

Reference

• Related case: https://pyai.io/en/python/basic/strings/