Commit e72973a

author

Amogh Singhal

authored

Create atoi.py

1 parent d44f5a6 commit e72973aCopy full SHA for e72973a

File tree

+19

-0

lines changed

+19

-0

lines changed

Lines changed: 19 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,19 @@`
	`1`	+# Convert the string "123" into 123, without using the built-api `int()`
	`2`	`+`
	`3`	`+# Startegy`
	`4`	`+# 1. loop through each digit`
	`5`	`+# 2. find the digit in range object of range(10)`
	`6`	`+# 3. once the number is found, add it in placeholder`
	`7`	`+# 4. Multiply each iteration by 10 (start with 0)`
	`8`	`+`
	`9`	`+def atoi(inputStr):`
	`10`	`+ outputNum = 0`
	`11`	`+ for char in inputStr:`
	`12`	`+ for i in range(10):`
	`13`	`+ if str(i) == char:`
	`14`	`+ outputNum = outputNum * 10 + i`
	`15`	`+ return outputNum`
	`16`	`+`
	`17`	`+x = "123"`
	`18`	`+y = atoi(x)`
	`19`	`+print(y)`

Comments

(0)