check how many times a substring appears in a string
a = '128532012'
print(a.count('0'))
#Prints: 1
print(a.count('12'))
#Prints: 2check how many times a substring appears in a string
a = '128532012'
print(a.count('0'))
#Prints: 1
print(a.count('12'))
#Prints: 2Copyright © 2021 Codeinu
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